Finding the Fourth Proportional to 14,100.82, 21,151.27 and 5,671.21

Step by Step Solution

1. Step 1: Write the proportion equation
   14,100.82 : 21,151.27 = 5,671.21 : x
2. Step 2: Convert to fraction form
   14,100.82/21,151.27 = 5,671.21/x
3. Step 3: Cross multiply
   14,100.82x = 21,151.27 × 5,671.21
4. Step 4: Simplify right side
   14,100.82x = 119,953,293.94
5. Step 5: Solve for x
   x = 119,953,293.94/14,100.82
6. Step 6: Final answer
   x = 8,506.83