Finding the Fourth Proportional to 2,098.12, 3,149.91 and 1,775.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.12 : 3,149.91 = 1,775.54 : x
2. Step 2: Convert to fraction form
   2,098.12/3,149.91 = 1,775.54/x
3. Step 3: Cross multiply
   2,098.12x = 3,149.91 × 1,775.54
4. Step 4: Simplify right side
   2,098.12x = 5,592,791.20
5. Step 5: Solve for x
   x = 5,592,791.20/2,098.12
6. Step 6: Final answer
   x = 2,665.62