Finding the Fourth Proportional to 1,111.98, 1,668.03 and 564.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.98 : 1,668.03 = 564.03 : x
2. Step 2: Convert to fraction form
   1,111.98/1,668.03 = 564.03/x
3. Step 3: Cross multiply
   1,111.98x = 1,668.03 × 564.03
4. Step 4: Simplify right side
   1,111.98x = 940,818.96
5. Step 5: Solve for x
   x = 940,818.96/1,111.98
6. Step 6: Final answer
   x = 846.08