Finding the Fourth Proportional to 21,067.25, 31,598.78 and 5,484.87

Step by Step Solution

1. Step 1: Write the proportion equation
   21,067.25 : 31,598.78 = 5,484.87 : x
2. Step 2: Convert to fraction form
   21,067.25/31,598.78 = 5,484.87/x
3. Step 3: Cross multiply
   21,067.25x = 31,598.78 × 5,484.87
4. Step 4: Simplify right side
   21,067.25x = 173,315,173.03
5. Step 5: Solve for x
   x = 173,315,173.03/21,067.25
6. Step 6: Final answer
   x = 8,226.76