Finding the Fourth Proportional to 2,118.37, 3,177.33 and 731.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.37 : 3,177.33 = 731.60 : x
2. Step 2: Convert to fraction form
   2,118.37/3,177.33 = 731.60/x
3. Step 3: Cross multiply
   2,118.37x = 3,177.33 × 731.60
4. Step 4: Simplify right side
   2,118.37x = 2,324,527.91
5. Step 5: Solve for x
   x = 2,324,527.91/2,118.37
6. Step 6: Final answer
   x = 1,097.32