Finding the Fourth Proportional to 3,789.38, 5,685.39 and 1,840.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.38 : 5,685.39 = 1,840.32 : x
2. Step 2: Convert to fraction form
   3,789.38/5,685.39 = 1,840.32/x
3. Step 3: Cross multiply
   3,789.38x = 5,685.39 × 1,840.32
4. Step 4: Simplify right side
   3,789.38x = 10,462,936.92
5. Step 5: Solve for x
   x = 10,462,936.92/3,789.38
6. Step 6: Final answer
   x = 2,761.12