Finding the Fourth Proportional to 22,545.50, 31,111.94 and 12,474.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,545.50 : 31,111.94 = 12,474.37 : x
2. Step 2: Convert to fraction form
   22,545.50/31,111.94 = 12,474.37/x
3. Step 3: Cross multiply
   22,545.50x = 31,111.94 × 12,474.37
4. Step 4: Simplify right side
   22,545.50x = 388,101,850.98
5. Step 5: Solve for x
   x = 388,101,850.98/22,545.50
6. Step 6: Final answer
   x = 17,214.16