Finding the Fourth Proportional to 2,863.50, 4,293.05 and 1,381.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.50 : 4,293.05 = 1,381.96 : x
2. Step 2: Convert to fraction form
   2,863.50/4,293.05 = 1,381.96/x
3. Step 3: Cross multiply
   2,863.50x = 4,293.05 × 1,381.96
4. Step 4: Simplify right side
   2,863.50x = 5,932,829.61
5. Step 5: Solve for x
   x = 5,932,829.61/2,863.50
6. Step 6: Final answer
   x = 2,071.88