Finding the Fourth Proportional to 10,940.78, 16,411.68 and 3,545.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.78 : 16,411.68 = 3,545.82 : x
2. Step 2: Convert to fraction form
   10,940.78/16,411.68 = 3,545.82/x
3. Step 3: Cross multiply
   10,940.78x = 16,411.68 × 3,545.82
4. Step 4: Simplify right side
   10,940.78x = 58,192,863.18
5. Step 5: Solve for x
   x = 58,192,863.18/10,940.78
6. Step 6: Final answer
   x = 5,318.90