Finding the Fourth Proportional to 3,291.92, 4,938.15 and 1,100.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,291.92 : 4,938.15 = 1,100.65 : x
2. Step 2: Convert to fraction form
   3,291.92/4,938.15 = 1,100.65/x
3. Step 3: Cross multiply
   3,291.92x = 4,938.15 × 1,100.65
4. Step 4: Simplify right side
   3,291.92x = 5,435,174.80
5. Step 5: Solve for x
   x = 5,435,174.80/3,291.92
6. Step 6: Final answer
   x = 1,651.07