Finding the Fourth Proportional to 16,528.71, 22,793.90 and 10,868.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,528.71 : 22,793.90 = 10,868.25 : x
2. Step 2: Convert to fraction form
   16,528.71/22,793.90 = 10,868.25/x
3. Step 3: Cross multiply
   16,528.71x = 22,793.90 × 10,868.25
4. Step 4: Simplify right side
   16,528.71x = 247,729,749.33
5. Step 5: Solve for x
   x = 247,729,749.33/16,528.71
6. Step 6: Final answer
   x = 14,987.85