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Finding the Fourth Proportional to 358,857.20, 538,369.19 and 122,201.93

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Solution

The fourth proportional to 358,857.20, 538,369.19 and 122,201.93 is: 183,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,857.20 : 538,369.19 = 122,201.93 : x
  2. Step 2: Convert to fraction form
    358,857.20/538,369.19 = 122,201.93/x
  3. Step 3: Cross multiply
    358,857.20x = 538,369.19 × 122,201.93
  4. Step 4: Simplify right side
    358,857.20x = 65,789,750,767.68
  5. Step 5: Solve for x
    x = 65,789,750,767.68/358,857.20
  6. Step 6: Final answer
    x = 183,331.29

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