Finding the Fourth Proportional to 1,112.18, 1,667.74 and 564.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.18 : 1,667.74 = 564.06 : x
2. Step 2: Convert to fraction form
   1,112.18/1,667.74 = 564.06/x
3. Step 3: Cross multiply
   1,112.18x = 1,667.74 × 564.06
4. Step 4: Simplify right side
   1,112.18x = 940,711.33
5. Step 5: Solve for x
   x = 940,711.33/1,112.18
6. Step 6: Final answer
   x = 845.83