Finding the Fourth Proportional to 1,105.32, 1,648.64 and 941.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.32 : 1,648.64 = 941.16 : x
2. Step 2: Convert to fraction form
   1,105.32/1,648.64 = 941.16/x
3. Step 3: Cross multiply
   1,105.32x = 1,648.64 × 941.16
4. Step 4: Simplify right side
   1,105.32x = 1,551,634.02
5. Step 5: Solve for x
   x = 1,551,634.02/1,105.32
6. Step 6: Final answer
   x = 1,403.79