Finding the Fourth Proportional to 16,404.04, 22,636.02 and 10,115.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.04 : 22,636.02 = 10,115.20 : x
2. Step 2: Convert to fraction form
   16,404.04/22,636.02 = 10,115.20/x
3. Step 3: Cross multiply
   16,404.04x = 22,636.02 × 10,115.20
4. Step 4: Simplify right side
   16,404.04x = 228,967,869.50
5. Step 5: Solve for x
   x = 228,967,869.50/16,404.04
6. Step 6: Final answer
   x = 13,958.02