Finding the Fourth Proportional to 22,613.73, 31,208.82 and 12,545.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,613.73 : 31,208.82 = 12,545.42 : x
2. Step 2: Convert to fraction form
   22,613.73/31,208.82 = 12,545.42/x
3. Step 3: Cross multiply
   22,613.73x = 31,208.82 × 12,545.42
4. Step 4: Simplify right side
   22,613.73x = 391,527,598.56
5. Step 5: Solve for x
   x = 391,527,598.56/22,613.73
6. Step 6: Final answer
   x = 17,313.71