Finding the Fourth Proportional to 2,867.50, 3,957.69 and 1,625.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.50 : 3,957.69 = 1,625.50 : x
2. Step 2: Convert to fraction form
   2,867.50/3,957.69 = 1,625.50/x
3. Step 3: Cross multiply
   2,867.50x = 3,957.69 × 1,625.50
4. Step 4: Simplify right side
   2,867.50x = 6,433,225.10
5. Step 5: Solve for x
   x = 6,433,225.10/2,867.50
6. Step 6: Final answer
   x = 2,243.50