Finding the Fourth Proportional to 14,123.69, 21,161.61 and 9,376.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.69 : 21,161.61 = 9,376.54 : x
2. Step 2: Convert to fraction form
   14,123.69/21,161.61 = 9,376.54/x
3. Step 3: Cross multiply
   14,123.69x = 21,161.61 × 9,376.54
4. Step 4: Simplify right side
   14,123.69x = 198,422,629.73
5. Step 5: Solve for x
   x = 198,422,629.73/14,123.69
6. Step 6: Final answer
   x = 14,048.92