Finding the Fourth Proportional to 3,664.91, 5,057.16 and 2,071.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.91 : 5,057.16 = 2,071.37 : x
2. Step 2: Convert to fraction form
   3,664.91/5,057.16 = 2,071.37/x
3. Step 3: Cross multiply
   3,664.91x = 5,057.16 × 2,071.37
4. Step 4: Simplify right side
   3,664.91x = 10,475,249.51
5. Step 5: Solve for x
   x = 10,475,249.51/3,664.91
6. Step 6: Final answer
   x = 2,858.26