Finding the Fourth Proportional to 22,553.72, 31,123.90 and 12,482.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,553.72 : 31,123.90 = 12,482.18 : x
2. Step 2: Convert to fraction form
   22,553.72/31,123.90 = 12,482.18/x
3. Step 3: Cross multiply
   22,553.72x = 31,123.90 × 12,482.18
4. Step 4: Simplify right side
   22,553.72x = 388,493,935.28
5. Step 5: Solve for x
   x = 388,493,935.28/22,553.72
6. Step 6: Final answer
   x = 17,225.27