Finding the Fourth Proportional to 14,119.31, 21,179.67 and 3,589.43

Step by Step Solution

1. Step 1: Write the proportion equation
   14,119.31 : 21,179.67 = 3,589.43 : x
2. Step 2: Convert to fraction form
   14,119.31/21,179.67 = 3,589.43/x
3. Step 3: Cross multiply
   14,119.31x = 21,179.67 × 3,589.43
4. Step 4: Simplify right side
   14,119.31x = 76,022,942.89
5. Step 5: Solve for x
   x = 76,022,942.89/14,119.31
6. Step 6: Final answer
   x = 5,384.32