Finding the Fourth Proportional to 2,399.08, 3,593.82 and 1,906.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.08 : 3,593.82 = 1,906.31 : x
2. Step 2: Convert to fraction form
   2,399.08/3,593.82 = 1,906.31/x
3. Step 3: Cross multiply
   2,399.08x = 3,593.82 × 1,906.31
4. Step 4: Simplify right side
   2,399.08x = 6,850,935.00
5. Step 5: Solve for x
   x = 6,850,935.00/2,399.08
6. Step 6: Final answer
   x = 2,855.65