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Finding the Fourth Proportional to 67,630.41, 101,454.86 and 28,178.31

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Solution

The fourth proportional to 67,630.41, 101,454.86 and 28,178.31 is: 42,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,630.41 : 101,454.86 = 28,178.31 : x
  2. Step 2: Convert to fraction form
    67,630.41/101,454.86 = 28,178.31/x
  3. Step 3: Cross multiply
    67,630.41x = 101,454.86 × 28,178.31
  4. Step 4: Simplify right side
    67,630.41x = 2,858,826,946.99
  5. Step 5: Solve for x
    x = 2,858,826,946.99/67,630.41
  6. Step 6: Final answer
    x = 42,271.32

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