Finding the Fourth Proportional to 9,241.92, 12,754.32 and 5,707.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,241.92 : 12,754.32 = 5,707.20 : x
2. Step 2: Convert to fraction form
   9,241.92/12,754.32 = 5,707.20/x
3. Step 3: Cross multiply
   9,241.92x = 12,754.32 × 5,707.20
4. Step 4: Simplify right side
   9,241.92x = 72,791,455.10
5. Step 5: Solve for x
   x = 72,791,455.10/9,241.92
6. Step 6: Final answer
   x = 7,876.23