Finding the Fourth Proportional to 2,775.98, 4,164.17 and 876.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.98 : 4,164.17 = 876.13 : x
2. Step 2: Convert to fraction form
   2,775.98/4,164.17 = 876.13/x
3. Step 3: Cross multiply
   2,775.98x = 4,164.17 × 876.13
4. Step 4: Simplify right side
   2,775.98x = 3,648,339.47
5. Step 5: Solve for x
   x = 3,648,339.47/2,775.98
6. Step 6: Final answer
   x = 1,314.26