Finding the Fourth Proportional to 7,689.89, 11,492.69 and 5,614.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,689.89 : 11,492.69 = 5,614.26 : x
2. Step 2: Convert to fraction form
   7,689.89/11,492.69 = 5,614.26/x
3. Step 3: Cross multiply
   7,689.89x = 11,492.69 × 5,614.26
4. Step 4: Simplify right side
   7,689.89x = 64,522,921.69
5. Step 5: Solve for x
   x = 64,522,921.69/7,689.89
6. Step 6: Final answer
   x = 8,390.62