Finding the Fourth Proportional to 2,863.89, 4,292.69 and 1,477.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.89 : 4,292.69 = 1,477.31 : x
2. Step 2: Convert to fraction form
   2,863.89/4,292.69 = 1,477.31/x
3. Step 3: Cross multiply
   2,863.89x = 4,292.69 × 1,477.31
4. Step 4: Simplify right side
   2,863.89x = 6,341,605.01
5. Step 5: Solve for x
   x = 6,341,605.01/2,863.89
6. Step 6: Final answer
   x = 2,214.33