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Finding the Fourth Proportional to 268,658.63, 402,902.13 and 88,710.55

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Solution

The fourth proportional to 268,658.63, 402,902.13 and 88,710.55 is: 133,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,658.63 : 402,902.13 = 88,710.55 : x
  2. Step 2: Convert to fraction form
    268,658.63/402,902.13 = 88,710.55/x
  3. Step 3: Cross multiply
    268,658.63x = 402,902.13 × 88,710.55
  4. Step 4: Simplify right side
    268,658.63x = 35,741,668,873.88
  5. Step 5: Solve for x
    x = 35,741,668,873.88/268,658.63
  6. Step 6: Final answer
    x = 133,037.49

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