Finding the Fourth Proportional to 72,521.68, 108,792.90 and 32,040.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,521.68 : 108,792.90 = 32,040.28 : x
2. Step 2: Convert to fraction form
   72,521.68/108,792.90 = 32,040.28/x
3. Step 3: Cross multiply
   72,521.68x = 108,792.90 × 32,040.28
4. Step 4: Simplify right side
   72,521.68x = 3,485,754,978.01
5. Step 5: Solve for x
   x = 3,485,754,978.01/72,521.68
6. Step 6: Final answer
   x = 48,065.01