Finding the Fourth Proportional to 3,943.24, 5,897.43 and 3,507.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.24 : 5,897.43 = 3,507.55 : x
2. Step 2: Convert to fraction form
   3,943.24/5,897.43 = 3,507.55/x
3. Step 3: Cross multiply
   3,943.24x = 5,897.43 × 3,507.55
4. Step 4: Simplify right side
   3,943.24x = 20,685,513.06
5. Step 5: Solve for x
   x = 20,685,513.06/3,943.24
6. Step 6: Final answer
   x = 5,245.82