Finding the Fourth Proportional to 16,211.71, 22,373.94 and 9,407.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,211.71 : 22,373.94 = 9,407.23 : x
2. Step 2: Convert to fraction form
   16,211.71/22,373.94 = 9,407.23/x
3. Step 3: Cross multiply
   16,211.71x = 22,373.94 × 9,407.23
4. Step 4: Simplify right side
   16,211.71x = 210,476,799.59
5. Step 5: Solve for x
   x = 210,476,799.59/16,211.71
6. Step 6: Final answer
   x = 12,983.01