Finding the Fourth Proportional to 16,238.48, 22,407.98 and 9,522.95

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.48 : 22,407.98 = 9,522.95 : x
2. Step 2: Convert to fraction form
   16,238.48/22,407.98 = 9,522.95/x
3. Step 3: Cross multiply
   16,238.48x = 22,407.98 × 9,522.95
4. Step 4: Simplify right side
   16,238.48x = 213,389,913.49
5. Step 5: Solve for x
   x = 213,389,913.49/16,238.48
6. Step 6: Final answer
   x = 13,141.01