Finding the Fourth Proportional to 5,540.27, 8,309.86 and 2,077.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,540.27 : 8,309.86 = 2,077.79 : x
2. Step 2: Convert to fraction form
   5,540.27/8,309.86 = 2,077.79/x
3. Step 3: Cross multiply
   5,540.27x = 8,309.86 × 2,077.79
4. Step 4: Simplify right side
   5,540.27x = 17,266,097.27
5. Step 5: Solve for x
   x = 17,266,097.27/5,540.27
6. Step 6: Final answer
   x = 3,116.47