Finding the Fourth Proportional to 72,014.26, 99,381.72 and 40,182.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,014.26 : 99,381.72 = 40,182.48 : x
2. Step 2: Convert to fraction form
   72,014.26/99,381.72 = 40,182.48/x
3. Step 3: Cross multiply
   72,014.26x = 99,381.72 × 40,182.48
4. Step 4: Simplify right side
   72,014.26x = 3,993,403,976.27
5. Step 5: Solve for x
   x = 3,993,403,976.27/72,014.26
6. Step 6: Final answer
   x = 55,452.96