Finding the Fourth Proportional to 12,563.91, 18,847.89 and 3,798.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,563.91 : 18,847.89 = 3,798.09 : x
2. Step 2: Convert to fraction form
   12,563.91/18,847.89 = 3,798.09/x
3. Step 3: Cross multiply
   12,563.91x = 18,847.89 × 3,798.09
4. Step 4: Simplify right side
   12,563.91x = 71,585,982.53
5. Step 5: Solve for x
   x = 71,585,982.53/12,563.91
6. Step 6: Final answer
   x = 5,697.75