Finding the Fourth Proportional to 14,459.50, 19,956.54 and 10,916.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,459.50 : 19,956.54 = 10,916.56 : x
2. Step 2: Convert to fraction form
   14,459.50/19,956.54 = 10,916.56/x
3. Step 3: Cross multiply
   14,459.50x = 19,956.54 × 10,916.56
4. Step 4: Simplify right side
   14,459.50x = 217,856,766.30
5. Step 5: Solve for x
   x = 217,856,766.30/14,459.50
6. Step 6: Final answer
   x = 15,066.69