Finding the Fourth Proportional to 1,217.58, 1,825.82 and 568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217.58 : 1,825.82 = 568.50 : x
2. Step 2: Convert to fraction form
   1,217.58/1,825.82 = 568.50/x
3. Step 3: Cross multiply
   1,217.58x = 1,825.82 × 568.50
4. Step 4: Simplify right side
   1,217.58x = 1,037,978.67
5. Step 5: Solve for x
   x = 1,037,978.67/1,217.58
6. Step 6: Final answer
   x = 852.49