Finding the Fourth Proportional to 33,786.32, 50,680.24 and 10,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,786.32 : 50,680.24 = 10,412.72 : x
2. Step 2: Convert to fraction form
   33,786.32/50,680.24 = 10,412.72/x
3. Step 3: Cross multiply
   33,786.32x = 50,680.24 × 10,412.72
4. Step 4: Simplify right side
   33,786.32x = 527,719,148.65
5. Step 5: Solve for x
   x = 527,719,148.65/33,786.32
6. Step 6: Final answer
   x = 15,619.31