Finding the Fourth Proportional to 12,008.43, 16,570.71 and 7,228.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.43 : 16,570.71 = 7,228.62 : x
2. Step 2: Convert to fraction form
   12,008.43/16,570.71 = 7,228.62/x
3. Step 3: Cross multiply
   12,008.43x = 16,570.71 × 7,228.62
4. Step 4: Simplify right side
   12,008.43x = 119,783,365.72
5. Step 5: Solve for x
   x = 119,783,365.72/12,008.43
6. Step 6: Final answer
   x = 9,974.94