Finding the Fourth Proportional to 9,248.43, 12,759.71 and 5,266.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,248.43 : 12,759.71 = 5,266.72 : x
2. Step 2: Convert to fraction form
   9,248.43/12,759.71 = 5,266.72/x
3. Step 3: Cross multiply
   9,248.43x = 12,759.71 × 5,266.72
4. Step 4: Simplify right side
   9,248.43x = 67,201,819.85
5. Step 5: Solve for x
   x = 67,201,819.85/9,248.43
6. Step 6: Final answer
   x = 7,266.29