Finding the Fourth Proportional to 2,290.29, 3,160.59 and 1,295.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.29 : 3,160.59 = 1,295.56 : x
2. Step 2: Convert to fraction form
   2,290.29/3,160.59 = 1,295.56/x
3. Step 3: Cross multiply
   2,290.29x = 3,160.59 × 1,295.56
4. Step 4: Simplify right side
   2,290.29x = 4,094,733.07
5. Step 5: Solve for x
   x = 4,094,733.07/2,290.29
6. Step 6: Final answer
   x = 1,787.87