Finding the Fourth Proportional to 3,909.93, 5,871.89 and 3,597.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,909.93 : 5,871.89 = 3,597.02 : x
2. Step 2: Convert to fraction form
   3,909.93/5,871.89 = 3,597.02/x
3. Step 3: Cross multiply
   3,909.93x = 5,871.89 × 3,597.02
4. Step 4: Simplify right side
   3,909.93x = 21,121,287.78
5. Step 5: Solve for x
   x = 21,121,287.78/3,909.93
6. Step 6: Final answer
   x = 5,401.97