Finding the Fourth Proportional to 1,581.34, 2,366.16 and 965.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.34 : 2,366.16 = 965.56 : x
2. Step 2: Convert to fraction form
   1,581.34/2,366.16 = 965.56/x
3. Step 3: Cross multiply
   1,581.34x = 2,366.16 × 965.56
4. Step 4: Simplify right side
   1,581.34x = 2,284,669.45
5. Step 5: Solve for x
   x = 2,284,669.45/1,581.34
6. Step 6: Final answer
   x = 1,444.77