Finding the Fourth Proportional to 16,148.82, 22,289.28 and 10,771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,148.82 : 22,289.28 = 10,771.50 : x
2. Step 2: Convert to fraction form
   16,148.82/22,289.28 = 10,771.50/x
3. Step 3: Cross multiply
   16,148.82x = 22,289.28 × 10,771.50
4. Step 4: Simplify right side
   16,148.82x = 240,088,979.52
5. Step 5: Solve for x
   x = 240,088,979.52/16,148.82
6. Step 6: Final answer
   x = 14,867.28