Finding the Fourth Proportional to 10,932.72, 16,396.56 and 5,083.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.72 : 16,396.56 = 5,083.80 : x
2. Step 2: Convert to fraction form
   10,932.72/16,396.56 = 5,083.80/x
3. Step 3: Cross multiply
   10,932.72x = 16,396.56 × 5,083.80
4. Step 4: Simplify right side
   10,932.72x = 83,356,831.73
5. Step 5: Solve for x
   x = 83,356,831.73/10,932.72
6. Step 6: Final answer
   x = 7,624.53