Finding the Fourth Proportional to 1,095.39, 1,641.87 and 965.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.39 : 1,641.87 = 965.52 : x
2. Step 2: Convert to fraction form
   1,095.39/1,641.87 = 965.52/x
3. Step 3: Cross multiply
   1,095.39x = 1,641.87 × 965.52
4. Step 4: Simplify right side
   1,095.39x = 1,585,258.32
5. Step 5: Solve for x
   x = 1,585,258.32/1,095.39
6. Step 6: Final answer
   x = 1,447.21