Finding the Fourth Proportional to 10,697.12, 14,766.08 and 9,576.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,697.12 : 14,766.08 = 9,576.04 : x
2. Step 2: Convert to fraction form
   10,697.12/14,766.08 = 9,576.04/x
3. Step 3: Cross multiply
   10,697.12x = 14,766.08 × 9,576.04
4. Step 4: Simplify right side
   10,697.12x = 141,400,572.72
5. Step 5: Solve for x
   x = 141,400,572.72/10,697.12
6. Step 6: Final answer
   x = 13,218.56