Finding the Fourth Proportional to 39,421.43, 59,150.60 and 17,231.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,421.43 : 59,150.60 = 17,231.94 : x
2. Step 2: Convert to fraction form
   39,421.43/59,150.60 = 17,231.94/x
3. Step 3: Cross multiply
   39,421.43x = 59,150.60 × 17,231.94
4. Step 4: Simplify right side
   39,421.43x = 1,019,279,665.55
5. Step 5: Solve for x
   x = 1,019,279,665.55/39,421.43
6. Step 6: Final answer
   x = 25,855.98