Finding the Fourth Proportional to 8,423.92, 12,633.71 and 2,499.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,423.92 : 12,633.71 = 2,499.42 : x
2. Step 2: Convert to fraction form
   8,423.92/12,633.71 = 2,499.42/x
3. Step 3: Cross multiply
   8,423.92x = 12,633.71 × 2,499.42
4. Step 4: Simplify right side
   8,423.92x = 31,576,871.78
5. Step 5: Solve for x
   x = 31,576,871.78/8,423.92
6. Step 6: Final answer
   x = 3,748.48