Finding the Fourth Proportional to 72,062.40, 108,061.20 and 32,599.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,062.40 : 108,061.20 = 32,599.20 : x
2. Step 2: Convert to fraction form
   72,062.40/108,061.20 = 32,599.20/x
3. Step 3: Cross multiply
   72,062.40x = 108,061.20 × 32,599.20
4. Step 4: Simplify right side
   72,062.40x = 3,522,708,671.04
5. Step 5: Solve for x
   x = 3,522,708,671.04/72,062.40
6. Step 6: Final answer
   x = 48,884.14