Finding the Fourth Proportional to 1,215.82, 1,824.34 and 567.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215.82 : 1,824.34 = 567.02 : x
2. Step 2: Convert to fraction form
   1,215.82/1,824.34 = 567.02/x
3. Step 3: Cross multiply
   1,215.82x = 1,824.34 × 567.02
4. Step 4: Simplify right side
   1,215.82x = 1,034,437.27
5. Step 5: Solve for x
   x = 1,034,437.27/1,215.82
6. Step 6: Final answer
   x = 850.81