Finding the Fourth Proportional to 2,811.83, 4,217.88 and 731.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,811.83 : 4,217.88 = 731.82 : x
2. Step 2: Convert to fraction form
   2,811.83/4,217.88 = 731.82/x
3. Step 3: Cross multiply
   2,811.83x = 4,217.88 × 731.82
4. Step 4: Simplify right side
   2,811.83x = 3,086,713.12
5. Step 5: Solve for x
   x = 3,086,713.12/2,811.83
6. Step 6: Final answer
   x = 1,097.76