Finding the Fourth Proportional to 14,401.44, 21,604.59 and 5,631.57

Step by Step Solution

1. Step 1: Write the proportion equation
   14,401.44 : 21,604.59 = 5,631.57 : x
2. Step 2: Convert to fraction form
   14,401.44/21,604.59 = 5,631.57/x
3. Step 3: Cross multiply
   14,401.44x = 21,604.59 × 5,631.57
4. Step 4: Simplify right side
   14,401.44x = 121,667,760.91
5. Step 5: Solve for x
   x = 121,667,760.91/14,401.44
6. Step 6: Final answer
   x = 8,448.31