Finding the Fourth Proportional to 8,325.56, 12,406.10 and 8,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,325.56 : 12,406.10 = 8,061.32 : x
2. Step 2: Convert to fraction form
   8,325.56/12,406.10 = 8,061.32/x
3. Step 3: Cross multiply
   8,325.56x = 12,406.10 × 8,061.32
4. Step 4: Simplify right side
   8,325.56x = 100,009,542.05
5. Step 5: Solve for x
   x = 100,009,542.05/8,325.56
6. Step 6: Final answer
   x = 12,012.35