Finding the Fourth Proportional to 2,289.83, 3,159.83 and 1,295.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289.83 : 3,159.83 = 1,295.15 : x
2. Step 2: Convert to fraction form
   2,289.83/3,159.83 = 1,295.15/x
3. Step 3: Cross multiply
   2,289.83x = 3,159.83 × 1,295.15
4. Step 4: Simplify right side
   2,289.83x = 4,092,431.55
5. Step 5: Solve for x
   x = 4,092,431.55/2,289.83
6. Step 6: Final answer
   x = 1,787.22