Finding the Fourth Proportional to 31,727.42, 43,783.92 and 17,580.26

Step by Step Solution

1. Step 1: Write the proportion equation
   31,727.42 : 43,783.92 = 17,580.26 : x
2. Step 2: Convert to fraction form
   31,727.42/43,783.92 = 17,580.26/x
3. Step 3: Cross multiply
   31,727.42x = 43,783.92 × 17,580.26
4. Step 4: Simplify right side
   31,727.42x = 769,732,697.42
5. Step 5: Solve for x
   x = 769,732,697.42/31,727.42
6. Step 6: Final answer
   x = 24,260.80