Finding the Fourth Proportional to 9,391.68, 12,959.62 and 5,614.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,391.68 : 12,959.62 = 5,614.10 : x
2. Step 2: Convert to fraction form
   9,391.68/12,959.62 = 5,614.10/x
3. Step 3: Cross multiply
   9,391.68x = 12,959.62 × 5,614.10
4. Step 4: Simplify right side
   9,391.68x = 72,756,602.64
5. Step 5: Solve for x
   x = 72,756,602.64/9,391.68
6. Step 6: Final answer
   x = 7,746.92