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Finding the Fourth Proportional to 281,728.71, 422,666.55 and 82,044.66

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Solution

The fourth proportional to 281,728.71, 422,666.55 and 82,044.66 is: 123,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,728.71 : 422,666.55 = 82,044.66 : x
  2. Step 2: Convert to fraction form
    281,728.71/422,666.55 = 82,044.66/x
  3. Step 3: Cross multiply
    281,728.71x = 422,666.55 × 82,044.66
  4. Step 4: Simplify right side
    281,728.71x = 34,677,533,388.12
  5. Step 5: Solve for x
    x = 34,677,533,388.12/281,728.71
  6. Step 6: Final answer
    x = 123,088.39

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