Finding the Fourth Proportional to 28,196.33, 38,910.92 and 16,259.49

Step by Step Solution

1. Step 1: Write the proportion equation
   28,196.33 : 38,910.92 = 16,259.49 : x
2. Step 2: Convert to fraction form
   28,196.33/38,910.92 = 16,259.49/x
3. Step 3: Cross multiply
   28,196.33x = 38,910.92 × 16,259.49
4. Step 4: Simplify right side
   28,196.33x = 632,671,633.33
5. Step 5: Solve for x
   x = 632,671,633.33/28,196.33
6. Step 6: Final answer
   x = 22,438.09