Finding the Fourth Proportional to 3,933.72, 5,899.50 and 3,497.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.72 : 5,899.50 = 3,497.40 : x
2. Step 2: Convert to fraction form
   3,933.72/5,899.50 = 3,497.40/x
3. Step 3: Cross multiply
   3,933.72x = 5,899.50 × 3,497.40
4. Step 4: Simplify right side
   3,933.72x = 20,632,911.30
5. Step 5: Solve for x
   x = 20,632,911.30/3,933.72
6. Step 6: Final answer
   x = 5,245.14