Finding the Fourth Proportional to 2,299.98, 3,168.27 and 2,019.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.98 : 3,168.27 = 2,019.18 : x
2. Step 2: Convert to fraction form
   2,299.98/3,168.27 = 2,019.18/x
3. Step 3: Cross multiply
   2,299.98x = 3,168.27 × 2,019.18
4. Step 4: Simplify right side
   2,299.98x = 6,397,307.42
5. Step 5: Solve for x
   x = 6,397,307.42/2,299.98
6. Step 6: Final answer
   x = 2,781.46