Finding the Fourth Proportional to 2,602, 3,590.76 and 1,423.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602 : 3,590.76 = 1,423.08 : x
2. Step 2: Convert to fraction form
   2,602/3,590.76 = 1,423.08/x
3. Step 3: Cross multiply
   2,602x = 3,590.76 × 1,423.08
4. Step 4: Simplify right side
   2,602x = 5,109,938.74
5. Step 5: Solve for x
   x = 5,109,938.74/2,602
6. Step 6: Final answer
   x = 1,963.85