Finding the Fourth Proportional to 14,404.82, 21,592.40 and 5,517.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,404.82 : 21,592.40 = 5,517.72 : x
2. Step 2: Convert to fraction form
   14,404.82/21,592.40 = 5,517.72/x
3. Step 3: Cross multiply
   14,404.82x = 21,592.40 × 5,517.72
4. Step 4: Simplify right side
   14,404.82x = 119,140,789.74
5. Step 5: Solve for x
   x = 119,140,789.74/14,404.82
6. Step 6: Final answer
   x = 8,270.90