Finding the Fourth Proportional to 31,727.35, 43,783.10 and 17,579.89

Step by Step Solution

1. Step 1: Write the proportion equation
   31,727.35 : 43,783.10 = 17,579.89 : x
2. Step 2: Convert to fraction form
   31,727.35/43,783.10 = 17,579.89/x
3. Step 3: Cross multiply
   31,727.35x = 43,783.10 × 17,579.89
4. Step 4: Simplify right side
   31,727.35x = 769,701,993.96
5. Step 5: Solve for x
   x = 769,701,993.96/31,727.35
6. Step 6: Final answer
   x = 24,259.89