Finding the Fourth Proportional to 2,149.75, 2,967.74 and 2,020.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.75 : 2,967.74 = 2,020.15 : x
2. Step 2: Convert to fraction form
   2,149.75/2,967.74 = 2,020.15/x
3. Step 3: Cross multiply
   2,149.75x = 2,967.74 × 2,020.15
4. Step 4: Simplify right side
   2,149.75x = 5,995,279.96
5. Step 5: Solve for x
   x = 5,995,279.96/2,149.75
6. Step 6: Final answer
   x = 2,788.83