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Finding the Fourth Proportional to 231,794.02, 347,720.19 and 81,999.10

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Solution

The fourth proportional to 231,794.02, 347,720.19 and 81,999.10 is: 123,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,794.02 : 347,720.19 = 81,999.10 : x
  2. Step 2: Convert to fraction form
    231,794.02/347,720.19 = 81,999.10/x
  3. Step 3: Cross multiply
    231,794.02x = 347,720.19 × 81,999.10
  4. Step 4: Simplify right side
    231,794.02x = 28,512,742,631.83
  5. Step 5: Solve for x
    x = 28,512,742,631.83/231,794.02
  6. Step 6: Final answer
    x = 123,008.97

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