Finding the Fourth Proportional to 1,225.86, 1,836.56 and 568.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225.86 : 1,836.56 = 568.28 : x
2. Step 2: Convert to fraction form
   1,225.86/1,836.56 = 568.28/x
3. Step 3: Cross multiply
   1,225.86x = 1,836.56 × 568.28
4. Step 4: Simplify right side
   1,225.86x = 1,043,680.32
5. Step 5: Solve for x
   x = 1,043,680.32/1,225.86
6. Step 6: Final answer
   x = 851.39