Finding the Fourth Proportional to 16,454.31, 22,698.91 and 10,786.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,454.31 : 22,698.91 = 10,786.56 : x
2. Step 2: Convert to fraction form
   16,454.31/22,698.91 = 10,786.56/x
3. Step 3: Cross multiply
   16,454.31x = 22,698.91 × 10,786.56
4. Step 4: Simplify right side
   16,454.31x = 244,843,100.72
5. Step 5: Solve for x
   x = 244,843,100.72/16,454.31
6. Step 6: Final answer
   x = 14,880.18