Finding the Fourth Proportional to 16,196.68, 22,346.58 and 9,902.44

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.68 : 22,346.58 = 9,902.44 : x
2. Step 2: Convert to fraction form
   16,196.68/22,346.58 = 9,902.44/x
3. Step 3: Cross multiply
   16,196.68x = 22,346.58 × 9,902.44
4. Step 4: Simplify right side
   16,196.68x = 221,285,667.66
5. Step 5: Solve for x
   x = 221,285,667.66/16,196.68
6. Step 6: Final answer
   x = 13,662.41