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Finding the Fourth Proportional to 72,461.80, 108,692.70 and 44,813.80

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Solution

The fourth proportional to 72,461.80, 108,692.70 and 44,813.80 is: 67,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,461.80 : 108,692.70 = 44,813.80 : x
  2. Step 2: Convert to fraction form
    72,461.80/108,692.70 = 44,813.80/x
  3. Step 3: Cross multiply
    72,461.80x = 108,692.70 × 44,813.80
  4. Step 4: Simplify right side
    72,461.80x = 4,870,932,919.26
  5. Step 5: Solve for x
    x = 4,870,932,919.26/72,461.80
  6. Step 6: Final answer
    x = 67,220.70

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