Finding the Fourth Proportional to 2,669.76, 3,995.64 and 2,567.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.76 : 3,995.64 = 2,567.52 : x
2. Step 2: Convert to fraction form
   2,669.76/3,995.64 = 2,567.52/x
3. Step 3: Cross multiply
   2,669.76x = 3,995.64 × 2,567.52
4. Step 4: Simplify right side
   2,669.76x = 10,258,885.61
5. Step 5: Solve for x
   x = 10,258,885.61/2,669.76
6. Step 6: Final answer
   x = 3,842.62