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Finding the Fourth Proportional to 439,015.20, 658,522.80 and 106,591.20

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Solution

The fourth proportional to 439,015.20, 658,522.80 and 106,591.20 is: 159,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,015.20 : 658,522.80 = 106,591.20 : x
  2. Step 2: Convert to fraction form
    439,015.20/658,522.80 = 106,591.20/x
  3. Step 3: Cross multiply
    439,015.20x = 658,522.80 × 106,591.20
  4. Step 4: Simplify right side
    439,015.20x = 70,192,735,479.36
  5. Step 5: Solve for x
    x = 70,192,735,479.36/439,015.20
  6. Step 6: Final answer
    x = 159,886.80

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