Finding the Fourth Proportional to 1,105.92, 1,659.18 and 365.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.92 : 1,659.18 = 365.52 : x
2. Step 2: Convert to fraction form
   1,105.92/1,659.18 = 365.52/x
3. Step 3: Cross multiply
   1,105.92x = 1,659.18 × 365.52
4. Step 4: Simplify right side
   1,105.92x = 606,463.47
5. Step 5: Solve for x
   x = 606,463.47/1,105.92
6. Step 6: Final answer
   x = 548.38