Finding the Fourth Proportional to 14,443.06, 19,931.17 and 8,069.77

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.06 : 19,931.17 = 8,069.77 : x
2. Step 2: Convert to fraction form
   14,443.06/19,931.17 = 8,069.77/x
3. Step 3: Cross multiply
   14,443.06x = 19,931.17 × 8,069.77
4. Step 4: Simplify right side
   14,443.06x = 160,839,957.73
5. Step 5: Solve for x
   x = 160,839,957.73/14,443.06
6. Step 6: Final answer
   x = 11,136.15