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Finding the Fourth Proportional to 538,423.60, 807,635.40 and 164,446.60

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Solution

The fourth proportional to 538,423.60, 807,635.40 and 164,446.60 is: 246,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,423.60 : 807,635.40 = 164,446.60 : x
  2. Step 2: Convert to fraction form
    538,423.60/807,635.40 = 164,446.60/x
  3. Step 3: Cross multiply
    538,423.60x = 807,635.40 × 164,446.60
  4. Step 4: Simplify right side
    538,423.60x = 132,812,895,569.64
  5. Step 5: Solve for x
    x = 132,812,895,569.64/538,423.60
  6. Step 6: Final answer
    x = 246,669.90

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