Finding the Fourth Proportional to 1,112.60, 1,667.46 and 564.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.60 : 1,667.46 = 564.48 : x
2. Step 2: Convert to fraction form
   1,112.60/1,667.46 = 564.48/x
3. Step 3: Cross multiply
   1,112.60x = 1,667.46 × 564.48
4. Step 4: Simplify right side
   1,112.60x = 941,247.82
5. Step 5: Solve for x
   x = 941,247.82/1,112.60
6. Step 6: Final answer
   x = 845.99