Finding the Fourth Proportional to 22,555.08, 31,127.94 and 13,123.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,555.08 : 31,127.94 = 13,123.08 : x
2. Step 2: Convert to fraction form
   22,555.08/31,127.94 = 13,123.08/x
3. Step 3: Cross multiply
   22,555.08x = 31,127.94 × 13,123.08
4. Step 4: Simplify right side
   22,555.08x = 408,494,446.86
5. Step 5: Solve for x
   x = 408,494,446.86/22,555.08
6. Step 6: Final answer
   x = 18,110.97