Finding the Fourth Proportional to 3,958.74, 5,907.32 and 3,433.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.74 : 5,907.32 = 3,433.86 : x
2. Step 2: Convert to fraction form
   3,958.74/5,907.32 = 3,433.86/x
3. Step 3: Cross multiply
   3,958.74x = 5,907.32 × 3,433.86
4. Step 4: Simplify right side
   3,958.74x = 20,284,892.69
5. Step 5: Solve for x
   x = 20,284,892.69/3,958.74
6. Step 6: Final answer
   x = 5,124.08