Finding the Fourth Proportional to 16,053.60, 22,153.32 and 9,339.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,053.60 : 22,153.32 = 9,339.42 : x
2. Step 2: Convert to fraction form
   16,053.60/22,153.32 = 9,339.42/x
3. Step 3: Cross multiply
   16,053.60x = 22,153.32 × 9,339.42
4. Step 4: Simplify right side
   16,053.60x = 206,899,159.87
5. Step 5: Solve for x
   x = 206,899,159.87/16,053.60
6. Step 6: Final answer
   x = 12,888.02