Finding the Fourth Proportional to 8,114.72, 12,171.62 and 2,492.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,114.72 : 12,171.62 = 2,492.38 : x
2. Step 2: Convert to fraction form
   8,114.72/12,171.62 = 2,492.38/x
3. Step 3: Cross multiply
   8,114.72x = 12,171.62 × 2,492.38
4. Step 4: Simplify right side
   8,114.72x = 30,336,302.26
5. Step 5: Solve for x
   x = 30,336,302.26/8,114.72
6. Step 6: Final answer
   x = 3,738.43