Finding the Fourth Proportional to 21,684.84, 32,522.94 and 9,996.36

Step by Step Solution

1. Step 1: Write the proportion equation
   21,684.84 : 32,522.94 = 9,996.36 : x
2. Step 2: Convert to fraction form
   21,684.84/32,522.94 = 9,996.36/x
3. Step 3: Cross multiply
   21,684.84x = 32,522.94 × 9,996.36
4. Step 4: Simplify right side
   21,684.84x = 325,111,016.50
5. Step 5: Solve for x
   x = 325,111,016.50/21,684.84
6. Step 6: Final answer
   x = 14,992.55