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Finding the Fourth Proportional to 322,447.92, 483,663.60 and 85,792.60

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Solution

The fourth proportional to 322,447.92, 483,663.60 and 85,792.60 is: 128,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,447.92 : 483,663.60 = 85,792.60 : x
  2. Step 2: Convert to fraction form
    322,447.92/483,663.60 = 85,792.60/x
  3. Step 3: Cross multiply
    322,447.92x = 483,663.60 × 85,792.60
  4. Step 4: Simplify right side
    322,447.92x = 41,494,757,769.36
  5. Step 5: Solve for x
    x = 41,494,757,769.36/322,447.92
  6. Step 6: Final answer
    x = 128,686.70

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