Finding the Fourth Proportional to 2,078.34, 2,868.11 and 1,134.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.34 : 2,868.11 = 1,134.12 : x
2. Step 2: Convert to fraction form
   2,078.34/2,868.11 = 1,134.12/x
3. Step 3: Cross multiply
   2,078.34x = 2,868.11 × 1,134.12
4. Step 4: Simplify right side
   2,078.34x = 3,252,780.91
5. Step 5: Solve for x
   x = 3,252,780.91/2,078.34
6. Step 6: Final answer
   x = 1,565.09