Finding the Fourth Proportional to 3,019.10, 4,524.17 and 2,690.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.10 : 4,524.17 = 2,690.78 : x
2. Step 2: Convert to fraction form
   3,019.10/4,524.17 = 2,690.78/x
3. Step 3: Cross multiply
   3,019.10x = 4,524.17 × 2,690.78
4. Step 4: Simplify right side
   3,019.10x = 12,173,546.15
5. Step 5: Solve for x
   x = 12,173,546.15/3,019.10
6. Step 6: Final answer
   x = 4,032.18