Finding the Fourth Proportional to 72,433.08, 99,967.90 and 40,174.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,433.08 : 99,967.90 = 40,174.83 : x
2. Step 2: Convert to fraction form
   72,433.08/99,967.90 = 40,174.83/x
3. Step 3: Cross multiply
   72,433.08x = 99,967.90 × 40,174.83
4. Step 4: Simplify right side
   72,433.08x = 4,016,193,287.52
5. Step 5: Solve for x
   x = 4,016,193,287.52/72,433.08
6. Step 6: Final answer
   x = 55,446.95