Finding the Fourth Proportional to 11,080.80, 16,620.72 and 2,760.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,080.80 : 16,620.72 = 2,760.84 : x
2. Step 2: Convert to fraction form
   11,080.80/16,620.72 = 2,760.84/x
3. Step 3: Cross multiply
   11,080.80x = 16,620.72 × 2,760.84
4. Step 4: Simplify right side
   11,080.80x = 45,887,148.60
5. Step 5: Solve for x
   x = 45,887,148.60/11,080.80
6. Step 6: Final answer
   x = 4,141.14