Finding the Fourth Proportional to 3,983.57, 5,495.79 and 2,567.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.57 : 5,495.79 = 2,567.15 : x
2. Step 2: Convert to fraction form
   3,983.57/5,495.79 = 2,567.15/x
3. Step 3: Cross multiply
   3,983.57x = 5,495.79 × 2,567.15
4. Step 4: Simplify right side
   3,983.57x = 14,108,489.82
5. Step 5: Solve for x
   x = 14,108,489.82/3,983.57
6. Step 6: Final answer
   x = 3,541.67