Finding the Fourth Proportional to 14,227.50, 19,601.90 and 9,916.53

Step by Step Solution

1. Step 1: Write the proportion equation
   14,227.50 : 19,601.90 = 9,916.53 : x
2. Step 2: Convert to fraction form
   14,227.50/19,601.90 = 9,916.53/x
3. Step 3: Cross multiply
   14,227.50x = 19,601.90 × 9,916.53
4. Step 4: Simplify right side
   14,227.50x = 194,382,743.50
5. Step 5: Solve for x
   x = 194,382,743.50/14,227.50
6. Step 6: Final answer
   x = 13,662.47