Finding the Fourth Proportional to 72,550.88, 108,822.28 and 21,949.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,550.88 : 108,822.28 = 21,949.12 : x
2. Step 2: Convert to fraction form
   72,550.88/108,822.28 = 21,949.12/x
3. Step 3: Cross multiply
   72,550.88x = 108,822.28 × 21,949.12
4. Step 4: Simplify right side
   72,550.88x = 2,388,553,282.39
5. Step 5: Solve for x
   x = 2,388,553,282.39/72,550.88
6. Step 6: Final answer
   x = 32,922.46