Finding the Fourth Proportional to 1,868.43, 2,796.57 and 1,134.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.43 : 2,796.57 = 1,134.57 : x
2. Step 2: Convert to fraction form
   1,868.43/2,796.57 = 1,134.57/x
3. Step 3: Cross multiply
   1,868.43x = 2,796.57 × 1,134.57
4. Step 4: Simplify right side
   1,868.43x = 3,172,904.42
5. Step 5: Solve for x
   x = 3,172,904.42/1,868.43
6. Step 6: Final answer
   x = 1,698.17