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Finding the Fourth Proportional to 72,466.03, 108,686.49 and 19,158.58

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Solution

The fourth proportional to 72,466.03, 108,686.49 and 19,158.58 is: 28,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,466.03 : 108,686.49 = 19,158.58 : x
  2. Step 2: Convert to fraction form
    72,466.03/108,686.49 = 19,158.58/x
  3. Step 3: Cross multiply
    72,466.03x = 108,686.49 × 19,158.58
  4. Step 4: Simplify right side
    72,466.03x = 2,082,278,813.58
  5. Step 5: Solve for x
    x = 2,082,278,813.58/72,466.03
  6. Step 6: Final answer
    x = 28,734.55

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