Finding the Fourth Proportional to 9,276.24, 12,800.96 and 5,296.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,276.24 : 12,800.96 = 5,296.72 : x
2. Step 2: Convert to fraction form
   9,276.24/12,800.96 = 5,296.72/x
3. Step 3: Cross multiply
   9,276.24x = 12,800.96 × 5,296.72
4. Step 4: Simplify right side
   9,276.24x = 67,803,100.85
5. Step 5: Solve for x
   x = 67,803,100.85/9,276.24
6. Step 6: Final answer
   x = 7,309.33