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Finding the Fourth Proportional to 553,167.70, 829,642.20 and 268,857.70

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Solution

The fourth proportional to 553,167.70, 829,642.20 and 268,857.70 is: 403,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,167.70 : 829,642.20 = 268,857.70 : x
  2. Step 2: Convert to fraction form
    553,167.70/829,642.20 = 268,857.70/x
  3. Step 3: Cross multiply
    553,167.70x = 829,642.20 × 268,857.70
  4. Step 4: Simplify right side
    553,167.70x = 223,055,693,714.94
  5. Step 5: Solve for x
    x = 223,055,693,714.94/553,167.70
  6. Step 6: Final answer
    x = 403,233.40

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