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Finding the Fourth Proportional to 639,443.36, 959,142.24 and 159,673.84

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Solution

The fourth proportional to 639,443.36, 959,142.24 and 159,673.84 is: 239,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,443.36 : 959,142.24 = 159,673.84 : x
  2. Step 2: Convert to fraction form
    639,443.36/959,142.24 = 159,673.84/x
  3. Step 3: Cross multiply
    639,443.36x = 959,142.24 × 159,673.84
  4. Step 4: Simplify right side
    639,443.36x = 153,149,924,567.00
  5. Step 5: Solve for x
    x = 153,149,924,567.00/639,443.36
  6. Step 6: Final answer
    x = 239,505.07

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