Finding the Fourth Proportional to 14,459.05, 19,956.83 and 9,414.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,459.05 : 19,956.83 = 9,414.49 : x
2. Step 2: Convert to fraction form
   14,459.05/19,956.83 = 9,414.49/x
3. Step 3: Cross multiply
   14,459.05x = 19,956.83 × 9,414.49
4. Step 4: Simplify right side
   14,459.05x = 187,883,376.47
5. Step 5: Solve for x
   x = 187,883,376.47/14,459.05
6. Step 6: Final answer
   x = 12,994.17