Finding the Fourth Proportional to 22,553.98, 31,123.72 and 12,482.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,553.98 : 31,123.72 = 12,482.84 : x
2. Step 2: Convert to fraction form
   22,553.98/31,123.72 = 12,482.84/x
3. Step 3: Cross multiply
   22,553.98x = 31,123.72 × 12,482.84
4. Step 4: Simplify right side
   22,553.98x = 388,512,416.96
5. Step 5: Solve for x
   x = 388,512,416.96/22,553.98
6. Step 6: Final answer
   x = 17,225.89