Finding the Fourth Proportional to 55,128.21, 76,078.49 and 32,468.73

Step by Step Solution

1. Step 1: Write the proportion equation
   55,128.21 : 76,078.49 = 32,468.73 : x
2. Step 2: Convert to fraction form
   55,128.21/76,078.49 = 32,468.73/x
3. Step 3: Cross multiply
   55,128.21x = 76,078.49 × 32,468.73
4. Step 4: Simplify right side
   55,128.21x = 2,470,171,788.27
5. Step 5: Solve for x
   x = 2,470,171,788.27/55,128.21
6. Step 6: Final answer
   x = 44,807.76