Finding the Fourth Proportional to 16,237.25, 22,407.42 and 8,785.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,237.25 : 22,407.42 = 8,785.25 : x
2. Step 2: Convert to fraction form
   16,237.25/22,407.42 = 8,785.25/x
3. Step 3: Cross multiply
   16,237.25x = 22,407.42 × 8,785.25
4. Step 4: Simplify right side
   16,237.25x = 196,854,786.56
5. Step 5: Solve for x
   x = 196,854,786.56/16,237.25
6. Step 6: Final answer
   x = 12,123.65