Finding the Fourth Proportional to 1,086.96, 1,630.38 and 794.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.96 : 1,630.38 = 794.76 : x
2. Step 2: Convert to fraction form
   1,086.96/1,630.38 = 794.76/x
3. Step 3: Cross multiply
   1,086.96x = 1,630.38 × 794.76
4. Step 4: Simplify right side
   1,086.96x = 1,295,760.81
5. Step 5: Solve for x
   x = 1,295,760.81/1,086.96
6. Step 6: Final answer
   x = 1,192.10