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Finding the Fourth Proportional to 93,098.78, 128,326.98 and 62,874.44

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Solution

The fourth proportional to 93,098.78, 128,326.98 and 62,874.44 is: 86,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,098.78 : 128,326.98 = 62,874.44 : x
  2. Step 2: Convert to fraction form
    93,098.78/128,326.98 = 62,874.44/x
  3. Step 3: Cross multiply
    93,098.78x = 128,326.98 × 62,874.44
  4. Step 4: Simplify right side
    93,098.78x = 8,068,487,004.39
  5. Step 5: Solve for x
    x = 8,068,487,004.39/93,098.78
  6. Step 6: Final answer
    x = 86,665.87

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