Finding the Fourth Proportional to 32,989.78, 45,514.56 and 18,647.92

Step by Step Solution

1. Step 1: Write the proportion equation
   32,989.78 : 45,514.56 = 18,647.92 : x
2. Step 2: Convert to fraction form
   32,989.78/45,514.56 = 18,647.92/x
3. Step 3: Cross multiply
   32,989.78x = 45,514.56 × 18,647.92
4. Step 4: Simplify right side
   32,989.78x = 848,751,873.72
5. Step 5: Solve for x
   x = 848,751,873.72/32,989.78
6. Step 6: Final answer
   x = 25,727.72