Finding the Fourth Proportional to 12,628.50, 18,941.96 and 3,862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,628.50 : 18,941.96 = 3,862.72 : x
2. Step 2: Convert to fraction form
   12,628.50/18,941.96 = 3,862.72/x
3. Step 3: Cross multiply
   12,628.50x = 18,941.96 × 3,862.72
4. Step 4: Simplify right side
   12,628.50x = 73,167,487.73
5. Step 5: Solve for x
   x = 73,167,487.73/12,628.50
6. Step 6: Final answer
   x = 5,793.84