Finding the Fourth Proportional to 16,590.72, 22,900.28 and 10,219.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,590.72 : 22,900.28 = 10,219.24 : x
2. Step 2: Convert to fraction form
   16,590.72/22,900.28 = 10,219.24/x
3. Step 3: Cross multiply
   16,590.72x = 22,900.28 × 10,219.24
4. Step 4: Simplify right side
   16,590.72x = 234,023,457.39
5. Step 5: Solve for x
   x = 234,023,457.39/16,590.72
6. Step 6: Final answer
   x = 14,105.68