Finding the Fourth Proportional to 16,238.08, 22,388.16 and 13,250.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.08 : 22,388.16 = 13,250.88 : x
2. Step 2: Convert to fraction form
   16,238.08/22,388.16 = 13,250.88/x
3. Step 3: Cross multiply
   16,238.08x = 22,388.16 × 13,250.88
4. Step 4: Simplify right side
   16,238.08x = 296,662,821.58
5. Step 5: Solve for x
   x = 296,662,821.58/16,238.08
6. Step 6: Final answer
   x = 18,269.58