Finding the Fourth Proportional to 16,603.83, 22,913.28 and 9,151.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,603.83 : 22,913.28 = 9,151.83 : x
2. Step 2: Convert to fraction form
   16,603.83/22,913.28 = 9,151.83/x
3. Step 3: Cross multiply
   16,603.83x = 22,913.28 × 9,151.83
4. Step 4: Simplify right side
   16,603.83x = 209,698,443.30
5. Step 5: Solve for x
   x = 209,698,443.30/16,603.83
6. Step 6: Final answer
   x = 12,629.52