Finding the Fourth Proportional to 1,233.62, 1,701.60 and 790.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.62 : 1,701.60 = 790.82 : x
2. Step 2: Convert to fraction form
   1,233.62/1,701.60 = 790.82/x
3. Step 3: Cross multiply
   1,233.62x = 1,701.60 × 790.82
4. Step 4: Simplify right side
   1,233.62x = 1,345,660.60
5. Step 5: Solve for x
   x = 1,345,660.60/1,233.62
6. Step 6: Final answer
   x = 1,090.82