Finding the Fourth Proportional to 3,290.55, 4,935.61 and 1,099.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,290.55 : 4,935.61 = 1,099.09 : x
2. Step 2: Convert to fraction form
   3,290.55/4,935.61 = 1,099.09/x
3. Step 3: Cross multiply
   3,290.55x = 4,935.61 × 1,099.09
4. Step 4: Simplify right side
   3,290.55x = 5,424,679.59
5. Step 5: Solve for x
   x = 5,424,679.59/3,290.55
6. Step 6: Final answer
   x = 1,648.56