Finding the Fourth Proportional to 21,760.92, 32,645.37 and 7,719.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,760.92 : 32,645.37 = 7,719.27 : x
2. Step 2: Convert to fraction form
   21,760.92/32,645.37 = 7,719.27/x
3. Step 3: Cross multiply
   21,760.92x = 32,645.37 × 7,719.27
4. Step 4: Simplify right side
   21,760.92x = 251,998,425.28
5. Step 5: Solve for x
   x = 251,998,425.28/21,760.92
6. Step 6: Final answer
   x = 11,580.32