Finding the Fourth Proportional to 14,326.72, 19,772.88 and 8,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,326.72 : 19,772.88 = 8,039.50 : x
2. Step 2: Convert to fraction form
   14,326.72/19,772.88 = 8,039.50/x
3. Step 3: Cross multiply
   14,326.72x = 19,772.88 × 8,039.50
4. Step 4: Simplify right side
   14,326.72x = 158,964,068.76
5. Step 5: Solve for x
   x = 158,964,068.76/14,326.72
6. Step 6: Final answer
   x = 11,095.64