Finding the Fourth Proportional to 16,498.83, 22,768.10 and 9,328.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.83 : 22,768.10 = 9,328.63 : x
2. Step 2: Convert to fraction form
   16,498.83/22,768.10 = 9,328.63/x
3. Step 3: Cross multiply
   16,498.83x = 22,768.10 × 9,328.63
4. Step 4: Simplify right side
   16,498.83x = 212,395,066.86
5. Step 5: Solve for x
   x = 212,395,066.86/16,498.83
6. Step 6: Final answer
   x = 12,873.34