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Finding the Fourth Proportional to 204,453.12, 306,728.22 and 64,211.78

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Solution

The fourth proportional to 204,453.12, 306,728.22 and 64,211.78 is: 96,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,453.12 : 306,728.22 = 64,211.78 : x
  2. Step 2: Convert to fraction form
    204,453.12/306,728.22 = 64,211.78/x
  3. Step 3: Cross multiply
    204,453.12x = 306,728.22 × 64,211.78
  4. Step 4: Simplify right side
    204,453.12x = 19,695,564,982.43
  5. Step 5: Solve for x
    x = 19,695,564,982.43/204,453.12
  6. Step 6: Final answer
    x = 96,332.91

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