Finding the Fourth Proportional to 2,848.54, 3,905.89 and 2,567.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.54 : 3,905.89 = 2,567.64 : x
2. Step 2: Convert to fraction form
   2,848.54/3,905.89 = 2,567.64/x
3. Step 3: Cross multiply
   2,848.54x = 3,905.89 × 2,567.64
4. Step 4: Simplify right side
   2,848.54x = 10,028,919.40
5. Step 5: Solve for x
   x = 10,028,919.40/2,848.54
6. Step 6: Final answer
   x = 3,520.72