Finding the Fourth Proportional to 16,478.86, 22,736.70 and 9,764.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,478.86 : 22,736.70 = 9,764.14 : x
2. Step 2: Convert to fraction form
   16,478.86/22,736.70 = 9,764.14/x
3. Step 3: Cross multiply
   16,478.86x = 22,736.70 × 9,764.14
4. Step 4: Simplify right side
   16,478.86x = 222,004,321.94
5. Step 5: Solve for x
   x = 222,004,321.94/16,478.86
6. Step 6: Final answer
   x = 13,472.07