Finding the Fourth Proportional to 12,055.55, 16,629.39 and 7,967.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.55 : 16,629.39 = 7,967.36 : x
2. Step 2: Convert to fraction form
   12,055.55/16,629.39 = 7,967.36/x
3. Step 3: Cross multiply
   12,055.55x = 16,629.39 × 7,967.36
4. Step 4: Simplify right side
   12,055.55x = 132,492,378.28
5. Step 5: Solve for x
   x = 132,492,378.28/12,055.55
6. Step 6: Final answer
   x = 10,990.16