Finding the Fourth Proportional to 12,631.10, 18,943.76 and 3,744.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,631.10 : 18,943.76 = 3,744.59 : x
2. Step 2: Convert to fraction form
   12,631.10/18,943.76 = 3,744.59/x
3. Step 3: Cross multiply
   12,631.10x = 18,943.76 × 3,744.59
4. Step 4: Simplify right side
   12,631.10x = 70,936,500.82
5. Step 5: Solve for x
   x = 70,936,500.82/12,631.10
6. Step 6: Final answer
   x = 5,616.02