Finding the Fourth Proportional to 14,784.14, 20,401.72 and 8,069.85

Step by Step Solution

1. Step 1: Write the proportion equation
   14,784.14 : 20,401.72 = 8,069.85 : x
2. Step 2: Convert to fraction form
   14,784.14/20,401.72 = 8,069.85/x
3. Step 3: Cross multiply
   14,784.14x = 20,401.72 × 8,069.85
4. Step 4: Simplify right side
   14,784.14x = 164,638,820.14
5. Step 5: Solve for x
   x = 164,638,820.14/14,784.14
6. Step 6: Final answer
   x = 11,136.18