Finding the Fourth Proportional to 16,976.74, 23,426.79 and 9,422.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,976.74 : 23,426.79 = 9,422.71 : x
2. Step 2: Convert to fraction form
   16,976.74/23,426.79 = 9,422.71/x
3. Step 3: Cross multiply
   16,976.74x = 23,426.79 × 9,422.71
4. Step 4: Simplify right side
   16,976.74x = 220,743,731.27
5. Step 5: Solve for x
   x = 220,743,731.27/16,976.74
6. Step 6: Final answer
   x = 13,002.72