Finding the Fourth Proportional to 16,919.69, 25,258.43 and 14,705.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,919.69 : 25,258.43 = 14,705.96 : x
2. Step 2: Convert to fraction form
   16,919.69/25,258.43 = 14,705.96/x
3. Step 3: Cross multiply
   16,919.69x = 25,258.43 × 14,705.96
4. Step 4: Simplify right side
   16,919.69x = 371,449,371.72
5. Step 5: Solve for x
   x = 371,449,371.72/16,919.69
6. Step 6: Final answer
   x = 21,953.68