Finding the Fourth Proportional to 21,340.06, 32,026.42 and 9,661.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,340.06 : 32,026.42 = 9,661.48 : x
2. Step 2: Convert to fraction form
   21,340.06/32,026.42 = 9,661.48/x
3. Step 3: Cross multiply
   21,340.06x = 32,026.42 × 9,661.48
4. Step 4: Simplify right side
   21,340.06x = 309,422,548.31
5. Step 5: Solve for x
   x = 309,422,548.31/21,340.06
6. Step 6: Final answer
   x = 14,499.61