Finding the Fourth Proportional to 1,766.56, 2,647.76 and 791.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.56 : 2,647.76 = 791.52 : x
2. Step 2: Convert to fraction form
   1,766.56/2,647.76 = 791.52/x
3. Step 3: Cross multiply
   1,766.56x = 2,647.76 × 791.52
4. Step 4: Simplify right side
   1,766.56x = 2,095,755.00
5. Step 5: Solve for x
   x = 2,095,755.00/1,766.56
6. Step 6: Final answer
   x = 1,186.35