Finding the Fourth Proportional to 16,467.31, 22,724.93 and 9,393.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,467.31 : 22,724.93 = 9,393.55 : x
2. Step 2: Convert to fraction form
   16,467.31/22,724.93 = 9,393.55/x
3. Step 3: Cross multiply
   16,467.31x = 22,724.93 × 9,393.55
4. Step 4: Simplify right side
   16,467.31x = 213,467,766.20
5. Step 5: Solve for x
   x = 213,467,766.20/16,467.31
6. Step 6: Final answer
   x = 12,963.12