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Finding the Fourth Proportional to 61,780.69, 85,251.04 and 37,908.37

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Solution

The fourth proportional to 61,780.69, 85,251.04 and 37,908.37 is: 52,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.69 : 85,251.04 = 37,908.37 : x
  2. Step 2: Convert to fraction form
    61,780.69/85,251.04 = 37,908.37/x
  3. Step 3: Cross multiply
    61,780.69x = 85,251.04 × 37,908.37
  4. Step 4: Simplify right side
    61,780.69x = 3,231,727,967.20
  5. Step 5: Solve for x
    x = 3,231,727,967.20/61,780.69
  6. Step 6: Final answer
    x = 52,309.68

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