Finding the Fourth Proportional to 2,726.06, 4,087.87 and 876.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.06 : 4,087.87 = 876.83 : x
2. Step 2: Convert to fraction form
   2,726.06/4,087.87 = 876.83/x
3. Step 3: Cross multiply
   2,726.06x = 4,087.87 × 876.83
4. Step 4: Simplify right side
   2,726.06x = 3,584,344.42
5. Step 5: Solve for x
   x = 3,584,344.42/2,726.06
6. Step 6: Final answer
   x = 1,314.85