Finding the Fourth Proportional to 2,602.83, 3,591.91 and 1,423.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.83 : 3,591.91 = 1,423.90 : x
2. Step 2: Convert to fraction form
   2,602.83/3,591.91 = 1,423.90/x
3. Step 3: Cross multiply
   2,602.83x = 3,591.91 × 1,423.90
4. Step 4: Simplify right side
   2,602.83x = 5,114,520.65
5. Step 5: Solve for x
   x = 5,114,520.65/2,602.83
6. Step 6: Final answer
   x = 1,964.98