Finding the Fourth Proportional to 9,057.16, 12,496.10 and 5,703.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,057.16 : 12,496.10 = 5,703.32 : x
2. Step 2: Convert to fraction form
   9,057.16/12,496.10 = 5,703.32/x
3. Step 3: Cross multiply
   9,057.16x = 12,496.10 × 5,703.32
4. Step 4: Simplify right side
   9,057.16x = 71,269,257.05
5. Step 5: Solve for x
   x = 71,269,257.05/9,057.16
6. Step 6: Final answer
   x = 7,868.83