Finding the Fourth Proportional to 1,105.32, 1,658.00 and 283.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.32 : 1,658.00 = 283.61 : x
2. Step 2: Convert to fraction form
   1,105.32/1,658.00 = 283.61/x
3. Step 3: Cross multiply
   1,105.32x = 1,658.00 × 283.61
4. Step 4: Simplify right side
   1,105.32x = 470,215.67
5. Step 5: Solve for x
   x = 470,215.67/1,105.32
6. Step 6: Final answer
   x = 425.41