Finding the Fourth Proportional to 1,185.88, 1,777.29 and 568.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.88 : 1,777.29 = 568.30 : x
2. Step 2: Convert to fraction form
   1,185.88/1,777.29 = 568.30/x
3. Step 3: Cross multiply
   1,185.88x = 1,777.29 × 568.30
4. Step 4: Simplify right side
   1,185.88x = 1,010,027.33
5. Step 5: Solve for x
   x = 1,010,027.33/1,185.88
6. Step 6: Final answer
   x = 851.71