Finding the Fourth Proportional to 72,542.88, 108,810.27 and 21,941.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,542.88 : 108,810.27 = 21,941.10 : x
2. Step 2: Convert to fraction form
   72,542.88/108,810.27 = 21,941.10/x
3. Step 3: Cross multiply
   72,542.88x = 108,810.27 × 21,941.10
4. Step 4: Simplify right side
   72,542.88x = 2,387,417,015.10
5. Step 5: Solve for x
   x = 2,387,417,015.10/72,542.88
6. Step 6: Final answer
   x = 32,910.43