Finding the Fourth Proportional to 14,493.36, 21,732.70 and 7,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,493.36 : 21,732.70 = 7,086.72 : x
2. Step 2: Convert to fraction form
   14,493.36/21,732.70 = 7,086.72/x
3. Step 3: Cross multiply
   14,493.36x = 21,732.70 × 7,086.72
4. Step 4: Simplify right side
   14,493.36x = 154,013,559.74
5. Step 5: Solve for x
   x = 154,013,559.74/14,493.36
6. Step 6: Final answer
   x = 10,626.49