Finding the Fourth Proportional to 7,200.24, 10,793.96 and 2,820.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200.24 : 10,793.96 = 2,820.76 : x
2. Step 2: Convert to fraction form
   7,200.24/10,793.96 = 2,820.76/x
3. Step 3: Cross multiply
   7,200.24x = 10,793.96 × 2,820.76
4. Step 4: Simplify right side
   7,200.24x = 30,447,170.61
5. Step 5: Solve for x
   x = 30,447,170.61/7,200.24
6. Step 6: Final answer
   x = 4,228.63