Finding the Fourth Proportional to 22,550.88, 31,132.72 and 13,600.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,550.88 : 31,132.72 = 13,600.64 : x
2. Step 2: Convert to fraction form
   22,550.88/31,132.72 = 13,600.64/x
3. Step 3: Cross multiply
   22,550.88x = 31,132.72 × 13,600.64
4. Step 4: Simplify right side
   22,550.88x = 423,424,916.94
5. Step 5: Solve for x
   x = 423,424,916.94/22,550.88
6. Step 6: Final answer
   x = 18,776.43