Finding the Fourth Proportional to 3,843.50, 5,761.64 and 3,501.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,843.50 : 5,761.64 = 3,501.12 : x
2. Step 2: Convert to fraction form
   3,843.50/5,761.64 = 3,501.12/x
3. Step 3: Cross multiply
   3,843.50x = 5,761.64 × 3,501.12
4. Step 4: Simplify right side
   3,843.50x = 20,172,175.53
5. Step 5: Solve for x
   x = 20,172,175.53/3,843.50
6. Step 6: Final answer
   x = 5,248.39