Finding the Fourth Proportional to 2,077.46, 3,112.76 and 1,863.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.46 : 3,112.76 = 1,863.08 : x
2. Step 2: Convert to fraction form
   2,077.46/3,112.76 = 1,863.08/x
3. Step 3: Cross multiply
   2,077.46x = 3,112.76 × 1,863.08
4. Step 4: Simplify right side
   2,077.46x = 5,799,339.18
5. Step 5: Solve for x
   x = 5,799,339.18/2,077.46
6. Step 6: Final answer
   x = 2,791.55