Finding the Fourth Proportional to 1,218.42, 1,826.08 and 567.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218.42 : 1,826.08 = 567.72 : x
2. Step 2: Convert to fraction form
   1,218.42/1,826.08 = 567.72/x
3. Step 3: Cross multiply
   1,218.42x = 1,826.08 × 567.72
4. Step 4: Simplify right side
   1,218.42x = 1,036,700.72
5. Step 5: Solve for x
   x = 1,036,700.72/1,218.42
6. Step 6: Final answer
   x = 850.86