Finding the Fourth Proportional to 1,066.72, 1,600.62 and 655.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.72 : 1,600.62 = 655.96 : x
2. Step 2: Convert to fraction form
   1,066.72/1,600.62 = 655.96/x
3. Step 3: Cross multiply
   1,066.72x = 1,600.62 × 655.96
4. Step 4: Simplify right side
   1,066.72x = 1,049,942.70
5. Step 5: Solve for x
   x = 1,049,942.70/1,066.72
6. Step 6: Final answer
   x = 984.27