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Finding the Fourth Proportional to 356,052.60, 534,078.90 and 169,428.60

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Solution

The fourth proportional to 356,052.60, 534,078.90 and 169,428.60 is: 254,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,052.60 : 534,078.90 = 169,428.60 : x
  2. Step 2: Convert to fraction form
    356,052.60/534,078.90 = 169,428.60/x
  3. Step 3: Cross multiply
    356,052.60x = 534,078.90 × 169,428.60
  4. Step 4: Simplify right side
    356,052.60x = 90,488,240,316.54
  5. Step 5: Solve for x
    x = 90,488,240,316.54/356,052.60
  6. Step 6: Final answer
    x = 254,142.90

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