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Finding the Fourth Proportional to 99,281.02, 137,007.30 and 53,958.28

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Solution

The fourth proportional to 99,281.02, 137,007.30 and 53,958.28 is: 74,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.02 : 137,007.30 = 53,958.28 : x
  2. Step 2: Convert to fraction form
    99,281.02/137,007.30 = 53,958.28/x
  3. Step 3: Cross multiply
    99,281.02x = 137,007.30 × 53,958.28
  4. Step 4: Simplify right side
    99,281.02x = 7,392,678,255.44
  5. Step 5: Solve for x
    x = 7,392,678,255.44/99,281.02
  6. Step 6: Final answer
    x = 74,462.15

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