Finding the Fourth Proportional to 1,113.28, 1,667.49 and 564.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.28 : 1,667.49 = 564.52 : x
2. Step 2: Convert to fraction form
   1,113.28/1,667.49 = 564.52/x
3. Step 3: Cross multiply
   1,113.28x = 1,667.49 × 564.52
4. Step 4: Simplify right side
   1,113.28x = 941,331.45
5. Step 5: Solve for x
   x = 941,331.45/1,113.28
6. Step 6: Final answer
   x = 845.55