Finding the Fourth Proportional to 21,646.89, 32,464.67 and 9,796.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,646.89 : 32,464.67 = 9,796.05 : x
2. Step 2: Convert to fraction form
   21,646.89/32,464.67 = 9,796.05/x
3. Step 3: Cross multiply
   21,646.89x = 32,464.67 × 9,796.05
4. Step 4: Simplify right side
   21,646.89x = 318,025,481.57
5. Step 5: Solve for x
   x = 318,025,481.57/21,646.89
6. Step 6: Final answer
   x = 14,691.51