Finding the Fourth Proportional to 14,211.56, 21,315.72 and 3,824.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,211.56 : 21,315.72 = 3,824.12 : x
2. Step 2: Convert to fraction form
   14,211.56/21,315.72 = 3,824.12/x
3. Step 3: Cross multiply
   14,211.56x = 21,315.72 × 3,824.12
4. Step 4: Simplify right side
   14,211.56x = 81,513,871.17
5. Step 5: Solve for x
   x = 81,513,871.17/14,211.56
6. Step 6: Final answer
   x = 5,735.74