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Finding the Fourth Proportional to 40,453.20, 60,679.80 and 26,456.40

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Solution

The fourth proportional to 40,453.20, 60,679.80 and 26,456.40 is: 39,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.20 : 60,679.80 = 26,456.40 : x
  2. Step 2: Convert to fraction form
    40,453.20/60,679.80 = 26,456.40/x
  3. Step 3: Cross multiply
    40,453.20x = 60,679.80 × 26,456.40
  4. Step 4: Simplify right side
    40,453.20x = 1,605,369,060.72
  5. Step 5: Solve for x
    x = 1,605,369,060.72/40,453.20
  6. Step 6: Final answer
    x = 39,684.60

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