Finding the Fourth Proportional to 1,300.92, 1,794.72 and 858.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.92 : 1,794.72 = 858.72 : x
2. Step 2: Convert to fraction form
   1,300.92/1,794.72 = 858.72/x
3. Step 3: Cross multiply
   1,300.92x = 1,794.72 × 858.72
4. Step 4: Simplify right side
   1,300.92x = 1,541,161.96
5. Step 5: Solve for x
   x = 1,541,161.96/1,300.92
6. Step 6: Final answer
   x = 1,184.67