Finding the Fourth Proportional to 8,088.51, 11,168.22 and 7,959.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,088.51 : 11,168.22 = 7,959.34 : x
2. Step 2: Convert to fraction form
   8,088.51/11,168.22 = 7,959.34/x
3. Step 3: Cross multiply
   8,088.51x = 11,168.22 × 7,959.34
4. Step 4: Simplify right side
   8,088.51x = 88,891,632.25
5. Step 5: Solve for x
   x = 88,891,632.25/8,088.51
6. Step 6: Final answer
   x = 10,989.86