Finding the Fourth Proportional to 8,663.02, 12,993.72 and 2,423.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,663.02 : 12,993.72 = 2,423.59 : x
2. Step 2: Convert to fraction form
   8,663.02/12,993.72 = 2,423.59/x
3. Step 3: Cross multiply
   8,663.02x = 12,993.72 × 2,423.59
4. Step 4: Simplify right side
   8,663.02x = 31,491,449.85
5. Step 5: Solve for x
   x = 31,491,449.85/8,663.02
6. Step 6: Final answer
   x = 3,635.16