Finding the Fourth Proportional to 10,825.56, 16,224.14 and 5,556.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,825.56 : 16,224.14 = 5,556.12 : x
2. Step 2: Convert to fraction form
   10,825.56/16,224.14 = 5,556.12/x
3. Step 3: Cross multiply
   10,825.56x = 16,224.14 × 5,556.12
4. Step 4: Simplify right side
   10,825.56x = 90,143,268.74
5. Step 5: Solve for x
   x = 90,143,268.74/10,825.56
6. Step 6: Final answer
   x = 8,326.89