Finding the Fourth Proportional to 12,634.56, 18,936.72 and 5,229.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,634.56 : 18,936.72 = 5,229.54 : x
2. Step 2: Convert to fraction form
   12,634.56/18,936.72 = 5,229.54/x
3. Step 3: Cross multiply
   12,634.56x = 18,936.72 × 5,229.54
4. Step 4: Simplify right side
   12,634.56x = 99,030,334.71
5. Step 5: Solve for x
   x = 99,030,334.71/12,634.56
6. Step 6: Final answer
   x = 7,838.05