Finding the Fourth Proportional to 1,112.42, 1,668.69 and 564.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.42 : 1,668.69 = 564.18 : x
2. Step 2: Convert to fraction form
   1,112.42/1,668.69 = 564.18/x
3. Step 3: Cross multiply
   1,112.42x = 1,668.69 × 564.18
4. Step 4: Simplify right side
   1,112.42x = 941,441.52
5. Step 5: Solve for x
   x = 941,441.52/1,112.42
6. Step 6: Final answer
   x = 846.30