Finding the Fourth Proportional to 21,680.62, 32,495.59 and 9,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,680.62 : 32,495.59 = 9,196.42 : x
2. Step 2: Convert to fraction form
   21,680.62/32,495.59 = 9,196.42/x
3. Step 3: Cross multiply
   21,680.62x = 32,495.59 × 9,196.42
4. Step 4: Simplify right side
   21,680.62x = 298,843,093.79
5. Step 5: Solve for x
   x = 298,843,093.79/21,680.62
6. Step 6: Final answer
   x = 13,783.88