Finding the Fourth Proportional to 2,002.87, 2,758.23 and 1,959.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.87 : 2,758.23 = 1,959.94 : x
2. Step 2: Convert to fraction form
   2,002.87/2,758.23 = 1,959.94/x
3. Step 3: Cross multiply
   2,002.87x = 2,758.23 × 1,959.94
4. Step 4: Simplify right side
   2,002.87x = 5,405,958.41
5. Step 5: Solve for x
   x = 5,405,958.41/2,002.87
6. Step 6: Final answer
   x = 2,699.11