Finding the Fourth Proportional to 1,133.04, 1,559.52 and 966.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,133.04 : 1,559.52 = 966.72 : x
2. Step 2: Convert to fraction form
   1,133.04/1,559.52 = 966.72/x
3. Step 3: Cross multiply
   1,133.04x = 1,559.52 × 966.72
4. Step 4: Simplify right side
   1,133.04x = 1,507,619.17
5. Step 5: Solve for x
   x = 1,507,619.17/1,133.04
6. Step 6: Final answer
   x = 1,330.60