Finding the Fourth Proportional to 72,708.10, 109,062.18 and 22,788.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,708.10 : 109,062.18 = 22,788.20 : x
2. Step 2: Convert to fraction form
   72,708.10/109,062.18 = 22,788.20/x
3. Step 3: Cross multiply
   72,708.10x = 109,062.18 × 22,788.20
4. Step 4: Simplify right side
   72,708.10x = 2,485,331,042.93
5. Step 5: Solve for x
   x = 2,485,331,042.93/72,708.10
6. Step 6: Final answer
   x = 34,182.31