Finding the Fourth Proportional to 14,016.58, 21,028.24 and 5,251.57

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.58 : 21,028.24 = 5,251.57 : x
2. Step 2: Convert to fraction form
   14,016.58/21,028.24 = 5,251.57/x
3. Step 3: Cross multiply
   14,016.58x = 21,028.24 × 5,251.57
4. Step 4: Simplify right side
   14,016.58x = 110,431,228.33
5. Step 5: Solve for x
   x = 110,431,228.33/14,016.58
6. Step 6: Final answer
   x = 7,878.62