Finding the Fourth Proportional to 21,171.73, 31,759.72 and 5,589.35

Step by Step Solution

1. Step 1: Write the proportion equation
   21,171.73 : 31,759.72 = 5,589.35 : x
2. Step 2: Convert to fraction form
   21,171.73/31,759.72 = 5,589.35/x
3. Step 3: Cross multiply
   21,171.73x = 31,759.72 × 5,589.35
4. Step 4: Simplify right side
   21,171.73x = 177,516,190.98
5. Step 5: Solve for x
   x = 177,516,190.98/21,171.73
6. Step 6: Final answer
   x = 8,384.59