Finding the Fourth Proportional to 9,248.75, 12,763.59 and 5,057.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,248.75 : 12,763.59 = 5,057.27 : x
2. Step 2: Convert to fraction form
   9,248.75/12,763.59 = 5,057.27/x
3. Step 3: Cross multiply
   9,248.75x = 12,763.59 × 5,057.27
4. Step 4: Simplify right side
   9,248.75x = 64,548,920.80
5. Step 5: Solve for x
   x = 64,548,920.80/9,248.75
6. Step 6: Final answer
   x = 6,979.20