Finding the Fourth Proportional to 14,107.83, 21,158.25 and 5,790.21

Step by Step Solution

1. Step 1: Write the proportion equation
   14,107.83 : 21,158.25 = 5,790.21 : x
2. Step 2: Convert to fraction form
   14,107.83/21,158.25 = 5,790.21/x
3. Step 3: Cross multiply
   14,107.83x = 21,158.25 × 5,790.21
4. Step 4: Simplify right side
   14,107.83x = 122,510,710.73
5. Step 5: Solve for x
   x = 122,510,710.73/14,107.83
6. Step 6: Final answer
   x = 8,683.88