Finding the Fourth Proportional to 39,775, 59,689.86 and 16,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   39,775 : 59,689.86 = 16,401.42 : x
2. Step 2: Convert to fraction form
   39,775/59,689.86 = 16,401.42/x
3. Step 3: Cross multiply
   39,775x = 59,689.86 × 16,401.42
4. Step 4: Simplify right side
   39,775x = 978,998,463.60
5. Step 5: Solve for x
   x = 978,998,463.60/39,775
6. Step 6: Final answer
   x = 24,613.41