Finding the Fourth Proportional to 2,132.52, 3,194.52 and 1,312.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.52 : 3,194.52 = 1,312.39 : x
2. Step 2: Convert to fraction form
   2,132.52/3,194.52 = 1,312.39/x
3. Step 3: Cross multiply
   2,132.52x = 3,194.52 × 1,312.39
4. Step 4: Simplify right side
   2,132.52x = 4,192,456.10
5. Step 5: Solve for x
   x = 4,192,456.10/2,132.52
6. Step 6: Final answer
   x = 1,965.96