Finding the Fourth Proportional to 1,066.69, 1,472.04 and 734.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.69 : 1,472.04 = 734.56 : x
2. Step 2: Convert to fraction form
   1,066.69/1,472.04 = 734.56/x
3. Step 3: Cross multiply
   1,066.69x = 1,472.04 × 734.56
4. Step 4: Simplify right side
   1,066.69x = 1,081,301.70
5. Step 5: Solve for x
   x = 1,081,301.70/1,066.69
6. Step 6: Final answer
   x = 1,013.70