Finding the Fourth Proportional to 2,130.41, 3,196.89 and 897.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.41 : 3,196.89 = 897.74 : x
2. Step 2: Convert to fraction form
   2,130.41/3,196.89 = 897.74/x
3. Step 3: Cross multiply
   2,130.41x = 3,196.89 × 897.74
4. Step 4: Simplify right side
   2,130.41x = 2,869,976.03
5. Step 5: Solve for x
   x = 2,869,976.03/2,130.41
6. Step 6: Final answer
   x = 1,347.15