Finding the Fourth Proportional to 16,144.89, 22,290.72 and 10,104.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,144.89 : 22,290.72 = 10,104.30 : x
2. Step 2: Convert to fraction form
   16,144.89/22,290.72 = 10,104.30/x
3. Step 3: Cross multiply
   16,144.89x = 22,290.72 × 10,104.30
4. Step 4: Simplify right side
   16,144.89x = 225,232,122.10
5. Step 5: Solve for x
   x = 225,232,122.10/16,144.89
6. Step 6: Final answer
   x = 13,950.68