Finding the Fourth Proportional to 1,109.54, 1,665.33 and 562.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.54 : 1,665.33 = 562.10 : x
2. Step 2: Convert to fraction form
   1,109.54/1,665.33 = 562.10/x
3. Step 3: Cross multiply
   1,109.54x = 1,665.33 × 562.10
4. Step 4: Simplify right side
   1,109.54x = 936,081.99
5. Step 5: Solve for x
   x = 936,081.99/1,109.54
6. Step 6: Final answer
   x = 843.67