Finding the Fourth Proportional to 14,136.56, 21,182.72 and 5,366.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,136.56 : 21,182.72 = 5,366.72 : x
2. Step 2: Convert to fraction form
   14,136.56/21,182.72 = 5,366.72/x
3. Step 3: Cross multiply
   14,136.56x = 21,182.72 × 5,366.72
4. Step 4: Simplify right side
   14,136.56x = 113,681,727.08
5. Step 5: Solve for x
   x = 113,681,727.08/14,136.56
6. Step 6: Final answer
   x = 8,041.68