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Finding the Fourth Proportional to 358,958.60, 538,437.90 and 122,244.20

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Solution

The fourth proportional to 358,958.60, 538,437.90 and 122,244.20 is: 183,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,958.60 : 538,437.90 = 122,244.20 : x
  2. Step 2: Convert to fraction form
    358,958.60/538,437.90 = 122,244.20/x
  3. Step 3: Cross multiply
    358,958.60x = 538,437.90 × 122,244.20
  4. Step 4: Simplify right side
    358,958.60x = 65,820,910,335.18
  5. Step 5: Solve for x
    x = 65,820,910,335.18/358,958.60
  6. Step 6: Final answer
    x = 183,366.30

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