Finding the Fourth Proportional to 2,078.65, 2,868.51 and 1,134.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.65 : 2,868.51 = 1,134.43 : x
2. Step 2: Convert to fraction form
   2,078.65/2,868.51 = 1,134.43/x
3. Step 3: Cross multiply
   2,078.65x = 2,868.51 × 1,134.43
4. Step 4: Simplify right side
   2,078.65x = 3,254,131.64
5. Step 5: Solve for x
   x = 3,254,131.64/2,078.65
6. Step 6: Final answer
   x = 1,565.50