Finding the Fourth Proportional to 3,290.16, 4,935.23 and 1,098.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,290.16 : 4,935.23 = 1,098.89 : x
2. Step 2: Convert to fraction form
   3,290.16/4,935.23 = 1,098.89/x
3. Step 3: Cross multiply
   3,290.16x = 4,935.23 × 1,098.89
4. Step 4: Simplify right side
   3,290.16x = 5,423,274.89
5. Step 5: Solve for x
   x = 5,423,274.89/3,290.16
6. Step 6: Final answer
   x = 1,648.33