Finding the Fourth Proportional to 16,196, 22,360.20 and 10,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196 : 22,360.20 = 10,616.72 : x
2. Step 2: Convert to fraction form
   16,196/22,360.20 = 10,616.72/x
3. Step 3: Cross multiply
   16,196x = 22,360.20 × 10,616.72
4. Step 4: Simplify right side
   16,196x = 237,391,982.54
5. Step 5: Solve for x
   x = 237,391,982.54/16,196
6. Step 6: Final answer
   x = 14,657.45