Finding the Fourth Proportional to 16,480.74, 22,743.81 and 9,407.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,480.74 : 22,743.81 = 9,407.82 : x
2. Step 2: Convert to fraction form
   16,480.74/22,743.81 = 9,407.82/x
3. Step 3: Cross multiply
   16,480.74x = 22,743.81 × 9,407.82
4. Step 4: Simplify right side
   16,480.74x = 213,969,670.59
5. Step 5: Solve for x
   x = 213,969,670.59/16,480.74
6. Step 6: Final answer
   x = 12,983.01