Finding the Fourth Proportional to 9,940.77, 14,910.82 and 2,545.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.77 : 14,910.82 = 2,545.29 : x
2. Step 2: Convert to fraction form
   9,940.77/14,910.82 = 2,545.29/x
3. Step 3: Cross multiply
   9,940.77x = 14,910.82 × 2,545.29
4. Step 4: Simplify right side
   9,940.77x = 37,952,361.04
5. Step 5: Solve for x
   x = 37,952,361.04/9,940.77
6. Step 6: Final answer
   x = 3,817.85