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Finding the Fourth Proportional to 104,916.92, 157,421.90 and 54,985.16

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Solution

The fourth proportional to 104,916.92, 157,421.90 and 54,985.16 is: 82,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,916.92 : 157,421.90 = 54,985.16 : x
  2. Step 2: Convert to fraction form
    104,916.92/157,421.90 = 54,985.16/x
  3. Step 3: Cross multiply
    104,916.92x = 157,421.90 × 54,985.16
  4. Step 4: Simplify right side
    104,916.92x = 8,655,867,296.97
  5. Step 5: Solve for x
    x = 8,655,867,296.97/104,916.92
  6. Step 6: Final answer
    x = 82,502.11

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