Finding the Fourth Proportional to 2,570.90, 3,544.61 and 2,098.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.90 : 3,544.61 = 2,098.31 : x
2. Step 2: Convert to fraction form
   2,570.90/3,544.61 = 2,098.31/x
3. Step 3: Cross multiply
   2,570.90x = 3,544.61 × 2,098.31
4. Step 4: Simplify right side
   2,570.90x = 7,437,662.39
5. Step 5: Solve for x
   x = 7,437,662.39/2,570.90
6. Step 6: Final answer
   x = 2,893.02