Finding the Fourth Proportional to 1,109.79, 1,665.71 and 562.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.79 : 1,665.71 = 562.35 : x
2. Step 2: Convert to fraction form
   1,109.79/1,665.71 = 562.35/x
3. Step 3: Cross multiply
   1,109.79x = 1,665.71 × 562.35
4. Step 4: Simplify right side
   1,109.79x = 936,709.21
5. Step 5: Solve for x
   x = 936,709.21/1,109.79
6. Step 6: Final answer
   x = 844.04