Finding the Fourth Proportional to 2,133.49, 3,196.72 and 1,310.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.49 : 3,196.72 = 1,310.02 : x
2. Step 2: Convert to fraction form
   2,133.49/3,196.72 = 1,310.02/x
3. Step 3: Cross multiply
   2,133.49x = 3,196.72 × 1,310.02
4. Step 4: Simplify right side
   2,133.49x = 4,187,771.39
5. Step 5: Solve for x
   x = 4,187,771.39/2,133.49
6. Step 6: Final answer
   x = 1,962.87