Finding the Fourth Proportional to 1,109.91, 1,665.88 and 562.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.91 : 1,665.88 = 562.47 : x
2. Step 2: Convert to fraction form
   1,109.91/1,665.88 = 562.47/x
3. Step 3: Cross multiply
   1,109.91x = 1,665.88 × 562.47
4. Step 4: Simplify right side
   1,109.91x = 937,007.52
5. Step 5: Solve for x
   x = 937,007.52/1,109.91
6. Step 6: Final answer
   x = 844.22