Finding the Fourth Proportional to 14,388.43, 19,851.47 and 8,099.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,388.43 : 19,851.47 = 8,099.59 : x
2. Step 2: Convert to fraction form
   14,388.43/19,851.47 = 8,099.59/x
3. Step 3: Cross multiply
   14,388.43x = 19,851.47 × 8,099.59
4. Step 4: Simplify right side
   14,388.43x = 160,788,727.40
5. Step 5: Solve for x
   x = 160,788,727.40/14,388.43
6. Step 6: Final answer
   x = 11,174.86