Finding the Fourth Proportional to 3,899.24, 5,843.67 and 2,141.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899.24 : 5,843.67 = 2,141.60 : x
2. Step 2: Convert to fraction form
   3,899.24/5,843.67 = 2,141.60/x
3. Step 3: Cross multiply
   3,899.24x = 5,843.67 × 2,141.60
4. Step 4: Simplify right side
   3,899.24x = 12,514,803.67
5. Step 5: Solve for x
   x = 12,514,803.67/3,899.24
6. Step 6: Final answer
   x = 3,209.55