Finding the Fourth Proportional to 8,440.53, 12,662.18 and 2,597.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,440.53 : 12,662.18 = 2,597.15 : x
2. Step 2: Convert to fraction form
   8,440.53/12,662.18 = 2,597.15/x
3. Step 3: Cross multiply
   8,440.53x = 12,662.18 × 2,597.15
4. Step 4: Simplify right side
   8,440.53x = 32,885,504.49
5. Step 5: Solve for x
   x = 32,885,504.49/8,440.53
6. Step 6: Final answer
   x = 3,896.14