Finding the Fourth Proportional to 1,965.96, 2,943.22 and 1,141.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.96 : 2,943.22 = 1,141.72 : x
2. Step 2: Convert to fraction form
   1,965.96/2,943.22 = 1,141.72/x
3. Step 3: Cross multiply
   1,965.96x = 2,943.22 × 1,141.72
4. Step 4: Simplify right side
   1,965.96x = 3,360,333.14
5. Step 5: Solve for x
   x = 3,360,333.14/1,965.96
6. Step 6: Final answer
   x = 1,709.26