Finding the Fourth Proportional to 2,019.53, 2,786.95 and 1,168.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.53 : 2,786.95 = 1,168.91 : x
2. Step 2: Convert to fraction form
   2,019.53/2,786.95 = 1,168.91/x
3. Step 3: Cross multiply
   2,019.53x = 2,786.95 × 1,168.91
4. Step 4: Simplify right side
   2,019.53x = 3,257,691.70
5. Step 5: Solve for x
   x = 3,257,691.70/2,019.53
6. Step 6: Final answer
   x = 1,613.09