Finding the Fourth Proportional to 1,233.59, 1,701.68 and 791.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.59 : 1,701.68 = 791.00 : x
2. Step 2: Convert to fraction form
   1,233.59/1,701.68 = 791.00/x
3. Step 3: Cross multiply
   1,233.59x = 1,701.68 × 791.00
4. Step 4: Simplify right side
   1,233.59x = 1,346,016.42
5. Step 5: Solve for x
   x = 1,346,016.42/1,233.59
6. Step 6: Final answer
   x = 1,091.14