Finding the Fourth Proportional to 16,103.72, 22,223.76 and 9,393.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,103.72 : 22,223.76 = 9,393.68 : x
2. Step 2: Convert to fraction form
   16,103.72/22,223.76 = 9,393.68/x
3. Step 3: Cross multiply
   16,103.72x = 22,223.76 × 9,393.68
4. Step 4: Simplify right side
   16,103.72x = 208,762,889.84
5. Step 5: Solve for x
   x = 208,762,889.84/16,103.72
6. Step 6: Final answer
   x = 12,963.64