Finding the Fourth Proportional to 1,106.72, 1,652.18 and 960.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.72 : 1,652.18 = 960.96 : x
2. Step 2: Convert to fraction form
   1,106.72/1,652.18 = 960.96/x
3. Step 3: Cross multiply
   1,106.72x = 1,652.18 × 960.96
4. Step 4: Simplify right side
   1,106.72x = 1,587,678.89
5. Step 5: Solve for x
   x = 1,587,678.89/1,106.72
6. Step 6: Final answer
   x = 1,434.58