Finding the Fourth Proportional to 8,874.56, 13,307.52 and 3,940.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,874.56 : 13,307.52 = 3,940.04 : x
2. Step 2: Convert to fraction form
   8,874.56/13,307.52 = 3,940.04/x
3. Step 3: Cross multiply
   8,874.56x = 13,307.52 × 3,940.04
4. Step 4: Simplify right side
   8,874.56x = 52,432,161.10
5. Step 5: Solve for x
   x = 52,432,161.10/8,874.56
6. Step 6: Final answer
   x = 5,908.14