Finding the Fourth Proportional to 9,251.52, 12,766.56 and 5,272.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,251.52 : 12,766.56 = 5,272.62 : x
2. Step 2: Convert to fraction form
   9,251.52/12,766.56 = 5,272.62/x
3. Step 3: Cross multiply
   9,251.52x = 12,766.56 × 5,272.62
4. Step 4: Simplify right side
   9,251.52x = 67,313,219.59
5. Step 5: Solve for x
   x = 67,313,219.59/9,251.52
6. Step 6: Final answer
   x = 7,275.91