Finding the Fourth Proportional to 2,561.82, 3,843.81 and 2,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.82 : 3,843.81 = 2,357.50 : x
2. Step 2: Convert to fraction form
   2,561.82/3,843.81 = 2,357.50/x
3. Step 3: Cross multiply
   2,561.82x = 3,843.81 × 2,357.50
4. Step 4: Simplify right side
   2,561.82x = 9,061,782.08
5. Step 5: Solve for x
   x = 9,061,782.08/2,561.82
6. Step 6: Final answer
   x = 3,537.24