Finding the Fourth Proportional to 16,054.50, 22,155.30 and 9,339.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,054.50 : 22,155.30 = 9,339.48 : x
2. Step 2: Convert to fraction form
   16,054.50/22,155.30 = 9,339.48/x
3. Step 3: Cross multiply
   16,054.50x = 22,155.30 × 9,339.48
4. Step 4: Simplify right side
   16,054.50x = 206,918,981.24
5. Step 5: Solve for x
   x = 206,918,981.24/16,054.50
6. Step 6: Final answer
   x = 12,888.53