Finding the Fourth Proportional to 14,443.84, 21,664.80 and 5,680.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.84 : 21,664.80 = 5,680.24 : x
2. Step 2: Convert to fraction form
   14,443.84/21,664.80 = 5,680.24/x
3. Step 3: Cross multiply
   14,443.84x = 21,664.80 × 5,680.24
4. Step 4: Simplify right side
   14,443.84x = 123,061,263.55
5. Step 5: Solve for x
   x = 123,061,263.55/14,443.84
6. Step 6: Final answer
   x = 8,519.98