Finding the Fourth Proportional to 16,602.08, 22,910.72 and 9,150.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,602.08 : 22,910.72 = 9,150.08 : x
2. Step 2: Convert to fraction form
   16,602.08/22,910.72 = 9,150.08/x
3. Step 3: Cross multiply
   16,602.08x = 22,910.72 × 9,150.08
4. Step 4: Simplify right side
   16,602.08x = 209,634,920.86
5. Step 5: Solve for x
   x = 209,634,920.86/16,602.08
6. Step 6: Final answer
   x = 12,627.03