Finding the Fourth Proportional to 21,404.48, 32,112.18 and 8,253.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404.48 : 32,112.18 = 8,253.32 : x
2. Step 2: Convert to fraction form
   21,404.48/32,112.18 = 8,253.32/x
3. Step 3: Cross multiply
   21,404.48x = 32,112.18 × 8,253.32
4. Step 4: Simplify right side
   21,404.48x = 265,031,936.88
5. Step 5: Solve for x
   x = 265,031,936.88/21,404.48
6. Step 6: Final answer
   x = 12,382.08