Finding the Fourth Proportional to 2,601.99, 3,590.55 and 1,423.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.99 : 3,590.55 = 1,423.02 : x
2. Step 2: Convert to fraction form
   2,601.99/3,590.55 = 1,423.02/x
3. Step 3: Cross multiply
   2,601.99x = 3,590.55 × 1,423.02
4. Step 4: Simplify right side
   2,601.99x = 5,109,424.46
5. Step 5: Solve for x
   x = 5,109,424.46/2,601.99
6. Step 6: Final answer
   x = 1,963.66