Finding the Fourth Proportional to 2,826.72, 3,900.80 and 1,567.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.72 : 3,900.80 = 1,567.32 : x
2. Step 2: Convert to fraction form
   2,826.72/3,900.80 = 1,567.32/x
3. Step 3: Cross multiply
   2,826.72x = 3,900.80 × 1,567.32
4. Step 4: Simplify right side
   2,826.72x = 6,113,801.86
5. Step 5: Solve for x
   x = 6,113,801.86/2,826.72
6. Step 6: Final answer
   x = 2,162.86