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Finding the Fourth Proportional to 72,663.28, 100,266.36 and 42,041.63

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Solution

The fourth proportional to 72,663.28, 100,266.36 and 42,041.63 is: 58,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,663.28 : 100,266.36 = 42,041.63 : x
  2. Step 2: Convert to fraction form
    72,663.28/100,266.36 = 42,041.63/x
  3. Step 3: Cross multiply
    72,663.28x = 100,266.36 × 42,041.63
  4. Step 4: Simplify right side
    72,663.28x = 4,215,361,301.58
  5. Step 5: Solve for x
    x = 4,215,361,301.58/72,663.28
  6. Step 6: Final answer
    x = 58,012.26

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