Finding the Fourth Proportional to 16,603.88, 22,914.79 and 9,153.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,603.88 : 22,914.79 = 9,153.32 : x
2. Step 2: Convert to fraction form
   16,603.88/22,914.79 = 9,153.32/x
3. Step 3: Cross multiply
   16,603.88x = 22,914.79 × 9,153.32
4. Step 4: Simplify right side
   16,603.88x = 209,746,268.15
5. Step 5: Solve for x
   x = 209,746,268.15/16,603.88
6. Step 6: Final answer
   x = 12,632.37