Finding the Fourth Proportional to 2,602.82, 3,591.89 and 1,423.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.82 : 3,591.89 = 1,423.88 : x
2. Step 2: Convert to fraction form
   2,602.82/3,591.89 = 1,423.88/x
3. Step 3: Cross multiply
   2,602.82x = 3,591.89 × 1,423.88
4. Step 4: Simplify right side
   2,602.82x = 5,114,413.21
5. Step 5: Solve for x
   x = 5,114,413.21/2,602.82
6. Step 6: Final answer
   x = 1,964.95