Finding the Fourth Proportional to 3,840.87, 5,757.71 and 3,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.87 : 5,757.71 = 3,498.50 : x
2. Step 2: Convert to fraction form
   3,840.87/5,757.71 = 3,498.50/x
3. Step 3: Cross multiply
   3,840.87x = 5,757.71 × 3,498.50
4. Step 4: Simplify right side
   3,840.87x = 20,143,302.15
5. Step 5: Solve for x
   x = 20,143,302.15/3,840.87
6. Step 6: Final answer
   x = 5,244.46