Finding the Fourth Proportional to 16,106.12, 22,223.32 and 9,731.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,106.12 : 22,223.32 = 9,731.40 : x
2. Step 2: Convert to fraction form
   16,106.12/22,223.32 = 9,731.40/x
3. Step 3: Cross multiply
   16,106.12x = 22,223.32 × 9,731.40
4. Step 4: Simplify right side
   16,106.12x = 216,264,016.25
5. Step 5: Solve for x
   x = 216,264,016.25/16,106.12
6. Step 6: Final answer
   x = 13,427.44