Finding the Fourth Proportional to 1,794.51, 2,687.86 and 868.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,794.51 : 2,687.86 = 868.12 : x
2. Step 2: Convert to fraction form
   1,794.51/2,687.86 = 868.12/x
3. Step 3: Cross multiply
   1,794.51x = 2,687.86 × 868.12
4. Step 4: Simplify right side
   1,794.51x = 2,333,371.58
5. Step 5: Solve for x
   x = 2,333,371.58/1,794.51
6. Step 6: Final answer
   x = 1,300.28