Finding the Fourth Proportional to 2,130.15, 3,196.37 and 898.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.15 : 3,196.37 = 898.41 : x
2. Step 2: Convert to fraction form
   2,130.15/3,196.37 = 898.41/x
3. Step 3: Cross multiply
   2,130.15x = 3,196.37 × 898.41
4. Step 4: Simplify right side
   2,130.15x = 2,871,650.77
5. Step 5: Solve for x
   x = 2,871,650.77/2,130.15
6. Step 6: Final answer
   x = 1,348.10