Finding the Fourth Proportional to 3,290.28, 4,934.94 and 1,099

Step by Step Solution

1. Step 1: Write the proportion equation
   3,290.28 : 4,934.94 = 1,099 : x
2. Step 2: Convert to fraction form
   3,290.28/4,934.94 = 1,099/x
3. Step 3: Cross multiply
   3,290.28x = 4,934.94 × 1,099
4. Step 4: Simplify right side
   3,290.28x = 5,423,499.06
5. Step 5: Solve for x
   x = 5,423,499.06/3,290.28
6. Step 6: Final answer
   x = 1,648.34