Finding the Fourth Proportional to 12,329.56, 18,496.74 and 5,404

Step by Step Solution

1. Step 1: Write the proportion equation
   12,329.56 : 18,496.74 = 5,404 : x
2. Step 2: Convert to fraction form
   12,329.56/18,496.74 = 5,404/x
3. Step 3: Cross multiply
   12,329.56x = 18,496.74 × 5,404
4. Step 4: Simplify right side
   12,329.56x = 99,956,382.96
5. Step 5: Solve for x
   x = 99,956,382.96/12,329.56
6. Step 6: Final answer
   x = 8,107.05