Finding the Fourth Proportional to 1,109.56, 1,665.60 and 562.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.56 : 1,665.60 = 562.36 : x
2. Step 2: Convert to fraction form
   1,109.56/1,665.60 = 562.36/x
3. Step 3: Cross multiply
   1,109.56x = 1,665.60 × 562.36
4. Step 4: Simplify right side
   1,109.56x = 936,666.82
5. Step 5: Solve for x
   x = 936,666.82/1,109.56
6. Step 6: Final answer
   x = 844.18