Finding the Fourth Proportional to 2,876.82, 4,308.69 and 2,544.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.82 : 4,308.69 = 2,544.31 : x
2. Step 2: Convert to fraction form
   2,876.82/4,308.69 = 2,544.31/x
3. Step 3: Cross multiply
   2,876.82x = 4,308.69 × 2,544.31
4. Step 4: Simplify right side
   2,876.82x = 10,962,657.98
5. Step 5: Solve for x
   x = 10,962,657.98/2,876.82
6. Step 6: Final answer
   x = 3,810.69