Finding the Fourth Proportional to 2,131.41, 3,197.55 and 898.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.41 : 3,197.55 = 898.82 : x
2. Step 2: Convert to fraction form
   2,131.41/3,197.55 = 898.82/x
3. Step 3: Cross multiply
   2,131.41x = 3,197.55 × 898.82
4. Step 4: Simplify right side
   2,131.41x = 2,874,016.21
5. Step 5: Solve for x
   x = 2,874,016.21/2,131.41
6. Step 6: Final answer
   x = 1,348.41