Finding the Fourth Proportional to 14,067.56, 21,101.55 and 3,679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,067.56 : 21,101.55 = 3,679.31 : x
2. Step 2: Convert to fraction form
   14,067.56/21,101.55 = 3,679.31/x
3. Step 3: Cross multiply
   14,067.56x = 21,101.55 × 3,679.31
4. Step 4: Simplify right side
   14,067.56x = 77,639,182.89
5. Step 5: Solve for x
   x = 77,639,182.89/14,067.56
6. Step 6: Final answer
   x = 5,519.02