Finding the Fourth Proportional to 72,323.28, 108,467.91 and 40,747.05

Step by Step Solution

1. Step 1: Write the proportion equation
   72,323.28 : 108,467.91 = 40,747.05 : x
2. Step 2: Convert to fraction form
   72,323.28/108,467.91 = 40,747.05/x
3. Step 3: Cross multiply
   72,323.28x = 108,467.91 × 40,747.05
4. Step 4: Simplify right side
   72,323.28x = 4,419,747,352.17
5. Step 5: Solve for x
   x = 4,419,747,352.17/72,323.28
6. Step 6: Final answer
   x = 61,110.99