Finding the Fourth Proportional to 1,087.83, 1,630.30 and 568.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.83 : 1,630.30 = 568.27 : x
2. Step 2: Convert to fraction form
   1,087.83/1,630.30 = 568.27/x
3. Step 3: Cross multiply
   1,087.83x = 1,630.30 × 568.27
4. Step 4: Simplify right side
   1,087.83x = 926,444.69
5. Step 5: Solve for x
   x = 926,444.69/1,087.83
6. Step 6: Final answer
   x = 851.64