Finding the Fourth Proportional to 7,080.78, 10,621.53 and 2,697.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.78 : 10,621.53 = 2,697.42 : x
2. Step 2: Convert to fraction form
   7,080.78/10,621.53 = 2,697.42/x
3. Step 3: Cross multiply
   7,080.78x = 10,621.53 × 2,697.42
4. Step 4: Simplify right side
   7,080.78x = 28,650,727.45
5. Step 5: Solve for x
   x = 28,650,727.45/7,080.78
6. Step 6: Final answer
   x = 4,046.27