Finding the Fourth Proportional to 2,078.05, 3,107.89 and 1,848.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.05 : 3,107.89 = 1,848.55 : x
2. Step 2: Convert to fraction form
   2,078.05/3,107.89 = 1,848.55/x
3. Step 3: Cross multiply
   2,078.05x = 3,107.89 × 1,848.55
4. Step 4: Simplify right side
   2,078.05x = 5,745,090.06
5. Step 5: Solve for x
   x = 5,745,090.06/2,078.05
6. Step 6: Final answer
   x = 2,764.65