Finding the Fourth Proportional to 7,103.60, 10,655.04 and 2,720.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.60 : 10,655.04 = 2,720.72 : x
2. Step 2: Convert to fraction form
   7,103.60/10,655.04 = 2,720.72/x
3. Step 3: Cross multiply
   7,103.60x = 10,655.04 × 2,720.72
4. Step 4: Simplify right side
   7,103.60x = 28,989,380.43
5. Step 5: Solve for x
   x = 28,989,380.43/7,103.60
6. Step 6: Final answer
   x = 4,080.94