Finding the Fourth Proportional to 10,815.27, 16,193.60 and 5,610.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,815.27 : 16,193.60 = 5,610.21 : x
2. Step 2: Convert to fraction form
   10,815.27/16,193.60 = 5,610.21/x
3. Step 3: Cross multiply
   10,815.27x = 16,193.60 × 5,610.21
4. Step 4: Simplify right side
   10,815.27x = 90,849,504.23
5. Step 5: Solve for x
   x = 90,849,504.23/10,815.27
6. Step 6: Final answer
   x = 8,400.11