Finding the Fourth Proportional to 2,601.95, 3,590.70 and 1,423.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.95 : 3,590.70 = 1,423.02 : x
2. Step 2: Convert to fraction form
   2,601.95/3,590.70 = 1,423.02/x
3. Step 3: Cross multiply
   2,601.95x = 3,590.70 × 1,423.02
4. Step 4: Simplify right side
   2,601.95x = 5,109,637.91
5. Step 5: Solve for x
   x = 5,109,637.91/2,601.95
6. Step 6: Final answer
   x = 1,963.78