Finding the Fourth Proportional to 16,463.79, 22,720.37 and 9,749.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,463.79 : 22,720.37 = 9,749.30 : x
2. Step 2: Convert to fraction form
   16,463.79/22,720.37 = 9,749.30/x
3. Step 3: Cross multiply
   16,463.79x = 22,720.37 × 9,749.30
4. Step 4: Simplify right side
   16,463.79x = 221,507,540.89
5. Step 5: Solve for x
   x = 221,507,540.89/16,463.79
6. Step 6: Final answer
   x = 13,454.23