Finding the Fourth Proportional to 2,290.06, 3,160.46 and 1,295.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.06 : 3,160.46 = 1,295.35 : x
2. Step 2: Convert to fraction form
   2,290.06/3,160.46 = 1,295.35/x
3. Step 3: Cross multiply
   2,290.06x = 3,160.46 × 1,295.35
4. Step 4: Simplify right side
   2,290.06x = 4,093,901.86
5. Step 5: Solve for x
   x = 4,093,901.86/2,290.06
6. Step 6: Final answer
   x = 1,787.68