Finding the Fourth Proportional to 2,050.70, 2,805.09 and 2,002.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.70 : 2,805.09 = 2,002.10 : x
2. Step 2: Convert to fraction form
   2,050.70/2,805.09 = 2,002.10/x
3. Step 3: Cross multiply
   2,050.70x = 2,805.09 × 2,002.10
4. Step 4: Simplify right side
   2,050.70x = 5,616,060.68
5. Step 5: Solve for x
   x = 5,616,060.68/2,050.70
6. Step 6: Final answer
   x = 2,738.61