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Finding the Fourth Proportional to 68,336.10, 102,459.60 and 61,337.70

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Solution

The fourth proportional to 68,336.10, 102,459.60 and 61,337.70 is: 91,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.10 : 102,459.60 = 61,337.70 : x
  2. Step 2: Convert to fraction form
    68,336.10/102,459.60 = 61,337.70/x
  3. Step 3: Cross multiply
    68,336.10x = 102,459.60 × 61,337.70
  4. Step 4: Simplify right side
    68,336.10x = 6,284,636,206.92
  5. Step 5: Solve for x
    x = 6,284,636,206.92/68,336.10
  6. Step 6: Final answer
    x = 91,966.56

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