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Finding the Fourth Proportional to 77,854.50, 107,439.33 and 44,320.50

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Solution

The fourth proportional to 77,854.50, 107,439.33 and 44,320.50 is: 61,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,854.50 : 107,439.33 = 44,320.50 : x
  2. Step 2: Convert to fraction form
    77,854.50/107,439.33 = 44,320.50/x
  3. Step 3: Cross multiply
    77,854.50x = 107,439.33 × 44,320.50
  4. Step 4: Simplify right side
    77,854.50x = 4,761,764,825.27
  5. Step 5: Solve for x
    x = 4,761,764,825.27/77,854.50
  6. Step 6: Final answer
    x = 61,162.36

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