Finding the Fourth Proportional to 14,308.72, 19,747.02 and 8,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,308.72 : 19,747.02 = 8,021.50 : x
2. Step 2: Convert to fraction form
   14,308.72/19,747.02 = 8,021.50/x
3. Step 3: Cross multiply
   14,308.72x = 19,747.02 × 8,021.50
4. Step 4: Simplify right side
   14,308.72x = 158,400,720.93
5. Step 5: Solve for x
   x = 158,400,720.93/14,308.72
6. Step 6: Final answer
   x = 11,070.22