Finding the Fourth Proportional to 2,601.97, 3,590.75 and 1,423.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.97 : 3,590.75 = 1,423.15 : x
2. Step 2: Convert to fraction form
   2,601.97/3,590.75 = 1,423.15/x
3. Step 3: Cross multiply
   2,601.97x = 3,590.75 × 1,423.15
4. Step 4: Simplify right side
   2,601.97x = 5,110,175.86
5. Step 5: Solve for x
   x = 5,110,175.86/2,601.97
6. Step 6: Final answer
   x = 1,963.96