Finding the Fourth Proportional to 12,627.10, 18,940.69 and 3,861.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,627.10 : 18,940.69 = 3,861.98 : x
2. Step 2: Convert to fraction form
   12,627.10/18,940.69 = 3,861.98/x
3. Step 3: Cross multiply
   12,627.10x = 18,940.69 × 3,861.98
4. Step 4: Simplify right side
   12,627.10x = 73,148,471.26
5. Step 5: Solve for x
   x = 73,148,471.26/12,627.10
6. Step 6: Final answer
   x = 5,792.98