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Finding the Fourth Proportional to 81,515.91, 122,093.22 and 62,657.10

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Solution

The fourth proportional to 81,515.91, 122,093.22 and 62,657.10 is: 93,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,515.91 : 122,093.22 = 62,657.10 : x
  2. Step 2: Convert to fraction form
    81,515.91/122,093.22 = 62,657.10/x
  3. Step 3: Cross multiply
    81,515.91x = 122,093.22 × 62,657.10
  4. Step 4: Simplify right side
    81,515.91x = 7,650,007,094.86
  5. Step 5: Solve for x
    x = 7,650,007,094.86/81,515.91
  6. Step 6: Final answer
    x = 93,846.80

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