Finding the Fourth Proportional to 9,272.28, 12,795.72 and 5,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,272.28 : 12,795.72 = 5,080.50 : x
2. Step 2: Convert to fraction form
   9,272.28/12,795.72 = 5,080.50/x
3. Step 3: Cross multiply
   9,272.28x = 12,795.72 × 5,080.50
4. Step 4: Simplify right side
   9,272.28x = 65,008,655.46
5. Step 5: Solve for x
   x = 65,008,655.46/9,272.28
6. Step 6: Final answer
   x = 7,011.08