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Finding the Fourth Proportional to 72,293.23, 99,763.68 and 40,462.12

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Solution

The fourth proportional to 72,293.23, 99,763.68 and 40,462.12 is: 55,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293.23 : 99,763.68 = 40,462.12 : x
  2. Step 2: Convert to fraction form
    72,293.23/99,763.68 = 40,462.12/x
  3. Step 3: Cross multiply
    72,293.23x = 99,763.68 × 40,462.12
  4. Step 4: Simplify right side
    72,293.23x = 4,036,649,991.80
  5. Step 5: Solve for x
    x = 4,036,649,991.80/72,293.23
  6. Step 6: Final answer
    x = 55,837.18

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