Finding the Fourth Proportional to 2,350.55, 3,521.54 and 1,098.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.55 : 3,521.54 = 1,098.83 : x
2. Step 2: Convert to fraction form
   2,350.55/3,521.54 = 1,098.83/x
3. Step 3: Cross multiply
   2,350.55x = 3,521.54 × 1,098.83
4. Step 4: Simplify right side
   2,350.55x = 3,869,585.35
5. Step 5: Solve for x
   x = 3,869,585.35/2,350.55
6. Step 6: Final answer
   x = 1,646.25