Finding the Fourth Proportional to 2,628.90, 3,627.72 and 1,567.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.90 : 3,627.72 = 1,567.86 : x
2. Step 2: Convert to fraction form
   2,628.90/3,627.72 = 1,567.86/x
3. Step 3: Cross multiply
   2,628.90x = 3,627.72 × 1,567.86
4. Step 4: Simplify right side
   2,628.90x = 5,687,757.08
5. Step 5: Solve for x
   x = 5,687,757.08/2,628.90
6. Step 6: Final answer
   x = 2,163.55