Finding the Fourth Proportional to 21,170.53, 31,753.35 and 5,589.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,170.53 : 31,753.35 = 5,589.37 : x
2. Step 2: Convert to fraction form
   21,170.53/31,753.35 = 5,589.37/x
3. Step 3: Cross multiply
   21,170.53x = 31,753.35 × 5,589.37
4. Step 4: Simplify right side
   21,170.53x = 177,481,142.51
5. Step 5: Solve for x
   x = 177,481,142.51/21,170.53
6. Step 6: Final answer
   x = 8,383.41