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Finding the Fourth Proportional to 81,762.56, 122,661.52 and 24,831.78

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Solution

The fourth proportional to 81,762.56, 122,661.52 and 24,831.78 is: 37,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,762.56 : 122,661.52 = 24,831.78 : x
  2. Step 2: Convert to fraction form
    81,762.56/122,661.52 = 24,831.78/x
  3. Step 3: Cross multiply
    81,762.56x = 122,661.52 × 24,831.78
  4. Step 4: Simplify right side
    81,762.56x = 3,045,903,879.11
  5. Step 5: Solve for x
    x = 3,045,903,879.11/81,762.56
  6. Step 6: Final answer
    x = 37,253.04

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