Finding the Fourth Proportional to 2,779.82, 3,826.41 and 2,517.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779.82 : 3,826.41 = 2,517.38 : x
2. Step 2: Convert to fraction form
   2,779.82/3,826.41 = 2,517.38/x
3. Step 3: Cross multiply
   2,779.82x = 3,826.41 × 2,517.38
4. Step 4: Simplify right side
   2,779.82x = 9,632,528.01
5. Step 5: Solve for x
   x = 9,632,528.01/2,779.82
6. Step 6: Final answer
   x = 3,465.16