Finding the Fourth Proportional to 16,196.14, 22,204.89 and 15,900.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.14 : 22,204.89 = 15,900.90 : x
2. Step 2: Convert to fraction form
   16,196.14/22,204.89 = 15,900.90/x
3. Step 3: Cross multiply
   16,196.14x = 22,204.89 × 15,900.90
4. Step 4: Simplify right side
   16,196.14x = 353,077,735.40
5. Step 5: Solve for x
   x = 353,077,735.40/16,196.14
6. Step 6: Final answer
   x = 21,800.12