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Finding the Fourth Proportional to 53,928.80, 80,893.20 and 30,600.80

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Solution

The fourth proportional to 53,928.80, 80,893.20 and 30,600.80 is: 45,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,928.80 : 80,893.20 = 30,600.80 : x
  2. Step 2: Convert to fraction form
    53,928.80/80,893.20 = 30,600.80/x
  3. Step 3: Cross multiply
    53,928.80x = 80,893.20 × 30,600.80
  4. Step 4: Simplify right side
    53,928.80x = 2,475,396,634.56
  5. Step 5: Solve for x
    x = 2,475,396,634.56/53,928.80
  6. Step 6: Final answer
    x = 45,901.20

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