Finding the Fourth Proportional to 2,131.02, 3,197.76 and 898.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.02 : 3,197.76 = 898.34 : x
2. Step 2: Convert to fraction form
   2,131.02/3,197.76 = 898.34/x
3. Step 3: Cross multiply
   2,131.02x = 3,197.76 × 898.34
4. Step 4: Simplify right side
   2,131.02x = 2,872,675.72
5. Step 5: Solve for x
   x = 2,872,675.72/2,131.02
6. Step 6: Final answer
   x = 1,348.03