Finding the Fourth Proportional to 8,429.50, 12,650.01 and 2,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.50 : 12,650.01 = 2,957.50 : x
2. Step 2: Convert to fraction form
   8,429.50/12,650.01 = 2,957.50/x
3. Step 3: Cross multiply
   8,429.50x = 12,650.01 × 2,957.50
4. Step 4: Simplify right side
   8,429.50x = 37,412,404.58
5. Step 5: Solve for x
   x = 37,412,404.58/8,429.50
6. Step 6: Final answer
   x = 4,438.27