Finding the Fourth Proportional to 2,629.18, 3,629.06 and 1,567.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.18 : 3,629.06 = 1,567.72 : x
2. Step 2: Convert to fraction form
   2,629.18/3,629.06 = 1,567.72/x
3. Step 3: Cross multiply
   2,629.18x = 3,629.06 × 1,567.72
4. Step 4: Simplify right side
   2,629.18x = 5,689,349.94
5. Step 5: Solve for x
   x = 5,689,349.94/2,629.18
6. Step 6: Final answer
   x = 2,163.93