Finding the Fourth Proportional to 14,450.58, 21,667.64 and 5,680.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,450.58 : 21,667.64 = 5,680.71 : x
2. Step 2: Convert to fraction form
   14,450.58/21,667.64 = 5,680.71/x
3. Step 3: Cross multiply
   14,450.58x = 21,667.64 × 5,680.71
4. Step 4: Simplify right side
   14,450.58x = 123,087,550.82
5. Step 5: Solve for x
   x = 123,087,550.82/14,450.58
6. Step 6: Final answer
   x = 8,517.83