Finding the Fourth Proportional to 16,002.24, 22,076.06 and 15,261.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,002.24 : 22,076.06 = 15,261.09 : x
2. Step 2: Convert to fraction form
   16,002.24/22,076.06 = 15,261.09/x
3. Step 3: Cross multiply
   16,002.24x = 22,076.06 × 15,261.09
4. Step 4: Simplify right side
   16,002.24x = 336,904,831.85
5. Step 5: Solve for x
   x = 336,904,831.85/16,002.24
6. Step 6: Final answer
   x = 21,053.60