Finding the Fourth Proportional to 1,111.95, 1,668.83 and 564.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.95 : 1,668.83 = 564.29 : x
2. Step 2: Convert to fraction form
   1,111.95/1,668.83 = 564.29/x
3. Step 3: Cross multiply
   1,111.95x = 1,668.83 × 564.29
4. Step 4: Simplify right side
   1,111.95x = 941,704.08
5. Step 5: Solve for x
   x = 941,704.08/1,111.95
6. Step 6: Final answer
   x = 846.89