Finding the Fourth Proportional to 12,061.56, 16,645.86 and 6,756.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.56 : 16,645.86 = 6,756.60 : x
2. Step 2: Convert to fraction form
   12,061.56/16,645.86 = 6,756.60/x
3. Step 3: Cross multiply
   12,061.56x = 16,645.86 × 6,756.60
4. Step 4: Simplify right side
   12,061.56x = 112,469,417.68
5. Step 5: Solve for x
   x = 112,469,417.68/12,061.56
6. Step 6: Final answer
   x = 9,324.62