Finding the Fourth Proportional to 7,233.76, 10,787.27 and 7,168.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,233.76 : 10,787.27 = 7,168.06 : x
2. Step 2: Convert to fraction form
   7,233.76/10,787.27 = 7,168.06/x
3. Step 3: Cross multiply
   7,233.76x = 10,787.27 × 7,168.06
4. Step 4: Simplify right side
   7,233.76x = 77,323,798.60
5. Step 5: Solve for x
   x = 77,323,798.60/7,233.76
6. Step 6: Final answer
   x = 10,689.30