Finding the Fourth Proportional to 1,155.83, 1,733.17 and 662.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.83 : 1,733.17 = 662.16 : x
2. Step 2: Convert to fraction form
   1,155.83/1,733.17 = 662.16/x
3. Step 3: Cross multiply
   1,155.83x = 1,733.17 × 662.16
4. Step 4: Simplify right side
   1,155.83x = 1,147,635.85
5. Step 5: Solve for x
   x = 1,147,635.85/1,155.83
6. Step 6: Final answer
   x = 992.91