Finding the Fourth Proportional to 14,200.56, 19,596.48 and 8,538.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,200.56 : 19,596.48 = 8,538.72 : x
2. Step 2: Convert to fraction form
   14,200.56/19,596.48 = 8,538.72/x
3. Step 3: Cross multiply
   14,200.56x = 19,596.48 × 8,538.72
4. Step 4: Simplify right side
   14,200.56x = 167,328,855.71
5. Step 5: Solve for x
   x = 167,328,855.71/14,200.56
6. Step 6: Final answer
   x = 11,783.26