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Finding the Fourth Proportional to 231,791.40, 347,687.10 and 65,579.40

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Solution

The fourth proportional to 231,791.40, 347,687.10 and 65,579.40 is: 98,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,791.40 : 347,687.10 = 65,579.40 : x
  2. Step 2: Convert to fraction form
    231,791.40/347,687.10 = 65,579.40/x
  3. Step 3: Cross multiply
    231,791.40x = 347,687.10 × 65,579.40
  4. Step 4: Simplify right side
    231,791.40x = 22,801,111,405.74
  5. Step 5: Solve for x
    x = 22,801,111,405.74/231,791.40
  6. Step 6: Final answer
    x = 98,369.10

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