Finding the Fourth Proportional to 12,119.25, 16,724.84 and 7,406.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,119.25 : 16,724.84 = 7,406.13 : x
2. Step 2: Convert to fraction form
   12,119.25/16,724.84 = 7,406.13/x
3. Step 3: Cross multiply
   12,119.25x = 16,724.84 × 7,406.13
4. Step 4: Simplify right side
   12,119.25x = 123,866,339.27
5. Step 5: Solve for x
   x = 123,866,339.27/12,119.25
6. Step 6: Final answer
   x = 10,220.63