Finding the Fourth Proportional to 1,965.39, 2,712.41 and 1,081.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.39 : 2,712.41 = 1,081.37 : x
2. Step 2: Convert to fraction form
   1,965.39/2,712.41 = 1,081.37/x
3. Step 3: Cross multiply
   1,965.39x = 2,712.41 × 1,081.37
4. Step 4: Simplify right side
   1,965.39x = 2,933,099.83
5. Step 5: Solve for x
   x = 2,933,099.83/1,965.39
6. Step 6: Final answer
   x = 1,492.38