Finding the Fourth Proportional to 2,863.71, 4,298.34 and 1,383.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.71 : 4,298.34 = 1,383.98 : x
2. Step 2: Convert to fraction form
   2,863.71/4,298.34 = 1,383.98/x
3. Step 3: Cross multiply
   2,863.71x = 4,298.34 × 1,383.98
4. Step 4: Simplify right side
   2,863.71x = 5,948,816.59
5. Step 5: Solve for x
   x = 5,948,816.59/2,863.71
6. Step 6: Final answer
   x = 2,077.31