Finding the Fourth Proportional to 16,123.29, 22,254.79 and 9,749.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.29 : 22,254.79 = 9,749.89 : x
2. Step 2: Convert to fraction form
   16,123.29/22,254.79 = 9,749.89/x
3. Step 3: Cross multiply
   16,123.29x = 22,254.79 × 9,749.89
4. Step 4: Simplify right side
   16,123.29x = 216,981,754.47
5. Step 5: Solve for x
   x = 216,981,754.47/16,123.29
6. Step 6: Final answer
   x = 13,457.66