Finding the Fourth Proportional to 72,182.54, 99,614.14 and 40,352.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,182.54 : 99,614.14 = 40,352.78 : x
2. Step 2: Convert to fraction form
   72,182.54/99,614.14 = 40,352.78/x
3. Step 3: Cross multiply
   72,182.54x = 99,614.14 × 40,352.78
4. Step 4: Simplify right side
   72,182.54x = 4,019,707,476.31
5. Step 5: Solve for x
   x = 4,019,707,476.31/72,182.54
6. Step 6: Final answer
   x = 55,688.09