Finding the Fourth Proportional to 8,401.10, 12,597.29 and 2,477.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.10 : 12,597.29 = 2,477.20 : x
2. Step 2: Convert to fraction form
   8,401.10/12,597.29 = 2,477.20/x
3. Step 3: Cross multiply
   8,401.10x = 12,597.29 × 2,477.20
4. Step 4: Simplify right side
   8,401.10x = 31,206,010.15
5. Step 5: Solve for x
   x = 31,206,010.15/8,401.10
6. Step 6: Final answer
   x = 3,714.52