Finding the Fourth Proportional to 72,132.72, 108,202.42 and 22,215.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,132.72 : 108,202.42 = 22,215.04 : x
2. Step 2: Convert to fraction form
   72,132.72/108,202.42 = 22,215.04/x
3. Step 3: Cross multiply
   72,132.72x = 108,202.42 × 22,215.04
4. Step 4: Simplify right side
   72,132.72x = 2,403,721,088.40
5. Step 5: Solve for x
   x = 2,403,721,088.40/72,132.72
6. Step 6: Final answer
   x = 33,323.59