Finding the Fourth Proportional to 21,076.63, 31,616.76 and 5,494.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,076.63 : 31,616.76 = 5,494.25 : x
2. Step 2: Convert to fraction form
   21,076.63/31,616.76 = 5,494.25/x
3. Step 3: Cross multiply
   21,076.63x = 31,616.76 × 5,494.25
4. Step 4: Simplify right side
   21,076.63x = 173,710,383.63
5. Step 5: Solve for x
   x = 173,710,383.63/21,076.63
6. Step 6: Final answer
   x = 8,241.85