Finding the Fourth Proportional to 23,155.92, 31,955.34 and 12,545.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,155.92 : 31,955.34 = 12,545.62 : x
2. Step 2: Convert to fraction form
   23,155.92/31,955.34 = 12,545.62/x
3. Step 3: Cross multiply
   23,155.92x = 31,955.34 × 12,545.62
4. Step 4: Simplify right side
   23,155.92x = 400,899,552.61
5. Step 5: Solve for x
   x = 400,899,552.61/23,155.92
6. Step 6: Final answer
   x = 17,313.05