Finding the Fourth Proportional to 21,648.89, 32,473.58 and 7,609.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,648.89 : 32,473.58 = 7,609.32 : x
2. Step 2: Convert to fraction form
   21,648.89/32,473.58 = 7,609.32/x
3. Step 3: Cross multiply
   21,648.89x = 32,473.58 × 7,609.32
4. Step 4: Simplify right side
   21,648.89x = 247,101,823.72
5. Step 5: Solve for x
   x = 247,101,823.72/21,648.89
6. Step 6: Final answer
   x = 11,414.06