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Finding the Fourth Proportional to 96,658.64, 133,085.80 and 87,801.29

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Solution

The fourth proportional to 96,658.64, 133,085.80 and 87,801.29 is: 120,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,658.64 : 133,085.80 = 87,801.29 : x
  2. Step 2: Convert to fraction form
    96,658.64/133,085.80 = 87,801.29/x
  3. Step 3: Cross multiply
    96,658.64x = 133,085.80 × 87,801.29
  4. Step 4: Simplify right side
    96,658.64x = 11,685,104,920.68
  5. Step 5: Solve for x
    x = 11,685,104,920.68/96,658.64
  6. Step 6: Final answer
    x = 120,890.43

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