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Finding the Fourth Proportional to 341,743.20, 512,612.10 and 89,023.20

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Solution

The fourth proportional to 341,743.20, 512,612.10 and 89,023.20 is: 133,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,743.20 : 512,612.10 = 89,023.20 : x
  2. Step 2: Convert to fraction form
    341,743.20/512,612.10 = 89,023.20/x
  3. Step 3: Cross multiply
    341,743.20x = 512,612.10 × 89,023.20
  4. Step 4: Simplify right side
    341,743.20x = 45,634,369,500.72
  5. Step 5: Solve for x
    x = 45,634,369,500.72/341,743.20
  6. Step 6: Final answer
    x = 133,534.10

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