Finding the Fourth Proportional to 1,149.96, 1,723.57 and 662

Step by Step Solution

1. Step 1: Write the proportion equation
   1,149.96 : 1,723.57 = 662 : x
2. Step 2: Convert to fraction form
   1,149.96/1,723.57 = 662/x
3. Step 3: Cross multiply
   1,149.96x = 1,723.57 × 662
4. Step 4: Simplify right side
   1,149.96x = 1,141,003.34
5. Step 5: Solve for x
   x = 1,141,003.34/1,149.96
6. Step 6: Final answer
   x = 992.21