Finding the Fourth Proportional to 2,290.35, 3,160.56 and 1,295.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.35 : 3,160.56 = 1,295.52 : x
2. Step 2: Convert to fraction form
   2,290.35/3,160.56 = 1,295.52/x
3. Step 3: Cross multiply
   2,290.35x = 3,160.56 × 1,295.52
4. Step 4: Simplify right side
   2,290.35x = 4,094,568.69
5. Step 5: Solve for x
   x = 4,094,568.69/2,290.35
6. Step 6: Final answer
   x = 1,787.75