Finding the Fourth Proportional to 1,116.32, 1,675.50 and 568.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.32 : 1,675.50 = 568.91 : x
2. Step 2: Convert to fraction form
   1,116.32/1,675.50 = 568.91/x
3. Step 3: Cross multiply
   1,116.32x = 1,675.50 × 568.91
4. Step 4: Simplify right side
   1,116.32x = 953,200.33
5. Step 5: Solve for x
   x = 953,200.33/1,116.32
6. Step 6: Final answer
   x = 853.88