Finding the Fourth Proportional to 9,250.67, 12,767.27 and 5,272.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.67 : 12,767.27 = 5,272.17 : x
2. Step 2: Convert to fraction form
   9,250.67/12,767.27 = 5,272.17/x
3. Step 3: Cross multiply
   9,250.67x = 12,767.27 × 5,272.17
4. Step 4: Simplify right side
   9,250.67x = 67,311,191.52
5. Step 5: Solve for x
   x = 67,311,191.52/9,250.67
6. Step 6: Final answer
   x = 7,276.36