Finding the Fourth Proportional to 16,047.72, 22,146.48 and 9,337.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,047.72 : 22,146.48 = 9,337.68 : x
2. Step 2: Convert to fraction form
   16,047.72/22,146.48 = 9,337.68/x
3. Step 3: Cross multiply
   16,047.72x = 22,146.48 × 9,337.68
4. Step 4: Simplify right side
   16,047.72x = 206,796,743.37
5. Step 5: Solve for x
   x = 206,796,743.37/16,047.72
6. Step 6: Final answer
   x = 12,886.36