Finding the Fourth Proportional to 8,216.12, 12,334.77 and 7,053.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216.12 : 12,334.77 = 7,053.59 : x
2. Step 2: Convert to fraction form
   8,216.12/12,334.77 = 7,053.59/x
3. Step 3: Cross multiply
   8,216.12x = 12,334.77 × 7,053.59
4. Step 4: Simplify right side
   8,216.12x = 87,004,410.32
5. Step 5: Solve for x
   x = 87,004,410.32/8,216.12
6. Step 6: Final answer
   x = 10,589.48