Finding the Fourth Proportional to 14,082.62, 19,433.72 and 7,709.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,082.62 : 19,433.72 = 7,709.05 : x
2. Step 2: Convert to fraction form
   14,082.62/19,433.72 = 7,709.05/x
3. Step 3: Cross multiply
   14,082.62x = 19,433.72 × 7,709.05
4. Step 4: Simplify right side
   14,082.62x = 149,815,383.45
5. Step 5: Solve for x
   x = 149,815,383.45/14,082.62
6. Step 6: Final answer
   x = 10,638.32