Finding the Fourth Proportional to 2,602.73, 3,591.83 and 1,423.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.73 : 3,591.83 = 1,423.80 : x
2. Step 2: Convert to fraction form
   2,602.73/3,591.83 = 1,423.80/x
3. Step 3: Cross multiply
   2,602.73x = 3,591.83 × 1,423.80
4. Step 4: Simplify right side
   2,602.73x = 5,114,040.44
5. Step 5: Solve for x
   x = 5,114,040.44/2,602.73
6. Step 6: Final answer
   x = 1,964.88