Finding the Fourth Proportional to 1,094.78, 1,648.33 and 965.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.78 : 1,648.33 = 965.58 : x
2. Step 2: Convert to fraction form
   1,094.78/1,648.33 = 965.58/x
3. Step 3: Cross multiply
   1,094.78x = 1,648.33 × 965.58
4. Step 4: Simplify right side
   1,094.78x = 1,591,596.90
5. Step 5: Solve for x
   x = 1,591,596.90/1,094.78
6. Step 6: Final answer
   x = 1,453.81