Finding the Fourth Proportional to 16,272.83, 22,449.87 and 10,605.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,272.83 : 22,449.87 = 10,605.51 : x
2. Step 2: Convert to fraction form
   16,272.83/22,449.87 = 10,605.51/x
3. Step 3: Cross multiply
   16,272.83x = 22,449.87 × 10,605.51
4. Step 4: Simplify right side
   16,272.83x = 238,092,320.78
5. Step 5: Solve for x
   x = 238,092,320.78/16,272.83
6. Step 6: Final answer
   x = 14,631.28