Finding the Fourth Proportional to 14,568.56, 21,849.67 and 5,209.23

Step by Step Solution

1. Step 1: Write the proportion equation
   14,568.56 : 21,849.67 = 5,209.23 : x
2. Step 2: Convert to fraction form
   14,568.56/21,849.67 = 5,209.23/x
3. Step 3: Cross multiply
   14,568.56x = 21,849.67 × 5,209.23
4. Step 4: Simplify right side
   14,568.56x = 113,819,956.45
5. Step 5: Solve for x
   x = 113,819,956.45/14,568.56
6. Step 6: Final answer
   x = 7,812.71