Finding the Fourth Proportional to 32,619, 45,014.88 and 19,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,619 : 45,014.88 = 19,872.72 : x
2. Step 2: Convert to fraction form
   32,619/45,014.88 = 19,872.72/x
3. Step 3: Cross multiply
   32,619x = 45,014.88 × 19,872.72
4. Step 4: Simplify right side
   32,619x = 894,568,106.07
5. Step 5: Solve for x
   x = 894,568,106.07/32,619
6. Step 6: Final answer
   x = 27,424.76