Finding the Fourth Proportional to 21,505.07, 32,268.17 and 9,667.20

Step by Step Solution

1. Step 1: Write the proportion equation
   21,505.07 : 32,268.17 = 9,667.20 : x
2. Step 2: Convert to fraction form
   21,505.07/32,268.17 = 9,667.20/x
3. Step 3: Cross multiply
   21,505.07x = 32,268.17 × 9,667.20
4. Step 4: Simplify right side
   21,505.07x = 311,942,943.82
5. Step 5: Solve for x
   x = 311,942,943.82/21,505.07
6. Step 6: Final answer
   x = 14,505.56