Finding the Fourth Proportional to 2,863.31, 3,951.41 and 1,868.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.31 : 3,951.41 = 1,868.01 : x
2. Step 2: Convert to fraction form
   2,863.31/3,951.41 = 1,868.01/x
3. Step 3: Cross multiply
   2,863.31x = 3,951.41 × 1,868.01
4. Step 4: Simplify right side
   2,863.31x = 7,381,264.05
5. Step 5: Solve for x
   x = 7,381,264.05/2,863.31
6. Step 6: Final answer
   x = 2,577.88