Finding the Fourth Proportional to 9,150.72, 13,713.12 and 7,293.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.72 : 13,713.12 = 7,293.53 : x
2. Step 2: Convert to fraction form
   9,150.72/13,713.12 = 7,293.53/x
3. Step 3: Cross multiply
   9,150.72x = 13,713.12 × 7,293.53
4. Step 4: Simplify right side
   9,150.72x = 100,016,983.55
5. Step 5: Solve for x
   x = 100,016,983.55/9,150.72
6. Step 6: Final answer
   x = 10,929.96