Finding the Fourth Proportional to 2,865.57, 4,295.31 and 1,822.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865.57 : 4,295.31 = 1,822.29 : x
2. Step 2: Convert to fraction form
   2,865.57/4,295.31 = 1,822.29/x
3. Step 3: Cross multiply
   2,865.57x = 4,295.31 × 1,822.29
4. Step 4: Simplify right side
   2,865.57x = 7,827,300.46
5. Step 5: Solve for x
   x = 7,827,300.46/2,865.57
6. Step 6: Final answer
   x = 2,731.50