Finding the Fourth Proportional to 10,686.68, 14,751.32 and 7,340.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686.68 : 14,751.32 = 7,340.57 : x
2. Step 2: Convert to fraction form
   10,686.68/14,751.32 = 7,340.57/x
3. Step 3: Cross multiply
   10,686.68x = 14,751.32 × 7,340.57
4. Step 4: Simplify right side
   10,686.68x = 108,283,124.89
5. Step 5: Solve for x
   x = 108,283,124.89/10,686.68
6. Step 6: Final answer
   x = 10,132.53