Finding the Fourth Proportional to 12,396.59, 18,596.06 and 3,512.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,396.59 : 18,596.06 = 3,512.10 : x
2. Step 2: Convert to fraction form
   12,396.59/18,596.06 = 3,512.10/x
3. Step 3: Cross multiply
   12,396.59x = 18,596.06 × 3,512.10
4. Step 4: Simplify right side
   12,396.59x = 65,311,222.33
5. Step 5: Solve for x
   x = 65,311,222.33/12,396.59
6. Step 6: Final answer
   x = 5,268.49