Finding the Fourth Proportional to 1,066.10, 1,471.16 and 734.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.10 : 1,471.16 = 734.51 : x
2. Step 2: Convert to fraction form
   1,066.10/1,471.16 = 734.51/x
3. Step 3: Cross multiply
   1,066.10x = 1,471.16 × 734.51
4. Step 4: Simplify right side
   1,066.10x = 1,080,570.70
5. Step 5: Solve for x
   x = 1,080,570.70/1,066.10
6. Step 6: Final answer
   x = 1,013.58