Finding the Fourth Proportional to 1,567.27, 2,163.10 and 969.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.27 : 2,163.10 = 969.83 : x
2. Step 2: Convert to fraction form
   1,567.27/2,163.10 = 969.83/x
3. Step 3: Cross multiply
   1,567.27x = 2,163.10 × 969.83
4. Step 4: Simplify right side
   1,567.27x = 2,097,839.27
5. Step 5: Solve for x
   x = 2,097,839.27/1,567.27
6. Step 6: Final answer
   x = 1,338.53