Finding the Fourth Proportional to 12,989.02, 19,480.94 and 5,967.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,989.02 : 19,480.94 = 5,967.12 : x
2. Step 2: Convert to fraction form
   12,989.02/19,480.94 = 5,967.12/x
3. Step 3: Cross multiply
   12,989.02x = 19,480.94 × 5,967.12
4. Step 4: Simplify right side
   12,989.02x = 116,245,106.69
5. Step 5: Solve for x
   x = 116,245,106.69/12,989.02
6. Step 6: Final answer
   x = 8,949.49