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Finding the Fourth Proportional to 341,629.20, 512,443.80 and 92,311.20

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Solution

The fourth proportional to 341,629.20, 512,443.80 and 92,311.20 is: 138,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,629.20 : 512,443.80 = 92,311.20 : x
  2. Step 2: Convert to fraction form
    341,629.20/512,443.80 = 92,311.20/x
  3. Step 3: Cross multiply
    341,629.20x = 512,443.80 × 92,311.20
  4. Step 4: Simplify right side
    341,629.20x = 47,304,302,110.56
  5. Step 5: Solve for x
    x = 47,304,302,110.56/341,629.20
  6. Step 6: Final answer
    x = 138,466.80

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