Finding the Fourth Proportional to 14,454.68, 21,685.35 and 5,571.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,454.68 : 21,685.35 = 5,571.27 : x
2. Step 2: Convert to fraction form
   14,454.68/21,685.35 = 5,571.27/x
3. Step 3: Cross multiply
   14,454.68x = 21,685.35 × 5,571.27
4. Step 4: Simplify right side
   14,454.68x = 120,814,939.89
5. Step 5: Solve for x
   x = 120,814,939.89/14,454.68
6. Step 6: Final answer
   x = 8,358.19