Finding the Fourth Proportional to 22,545.94, 31,111.02 and 12,474.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,545.94 : 31,111.02 = 12,474.12 : x
2. Step 2: Convert to fraction form
   22,545.94/31,111.02 = 12,474.12/x
3. Step 3: Cross multiply
   22,545.94x = 31,111.02 × 12,474.12
4. Step 4: Simplify right side
   22,545.94x = 388,082,596.80
5. Step 5: Solve for x
   x = 388,082,596.80/22,545.94
6. Step 6: Final answer
   x = 17,212.97