Finding the Fourth Proportional to 21,499.35, 32,261.71 and 8,183.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,499.35 : 32,261.71 = 8,183.56 : x
2. Step 2: Convert to fraction form
   21,499.35/32,261.71 = 8,183.56/x
3. Step 3: Cross multiply
   21,499.35x = 32,261.71 × 8,183.56
4. Step 4: Simplify right side
   21,499.35x = 264,015,639.49
5. Step 5: Solve for x
   x = 264,015,639.49/21,499.35
6. Step 6: Final answer
   x = 12,280.17