Finding the Fourth Proportional to 6,271.25, 8,651.25 and 5,276.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,271.25 : 8,651.25 = 5,276.15 : x
2. Step 2: Convert to fraction form
   6,271.25/8,651.25 = 5,276.15/x
3. Step 3: Cross multiply
   6,271.25x = 8,651.25 × 5,276.15
4. Step 4: Simplify right side
   6,271.25x = 45,645,292.69
5. Step 5: Solve for x
   x = 45,645,292.69/6,271.25
6. Step 6: Final answer
   x = 7,278.50