Finding the Fourth Proportional to 2,098.08, 3,144.96 and 1,317.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.08 : 3,144.96 = 1,317.78 : x
2. Step 2: Convert to fraction form
   2,098.08/3,144.96 = 1,317.78/x
3. Step 3: Cross multiply
   2,098.08x = 3,144.96 × 1,317.78
4. Step 4: Simplify right side
   2,098.08x = 4,144,365.39
5. Step 5: Solve for x
   x = 4,144,365.39/2,098.08
6. Step 6: Final answer
   x = 1,975.31