Finding the Fourth Proportional to 2,071.57, 3,103.71 and 1,845.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.57 : 3,103.71 = 1,845.58 : x
2. Step 2: Convert to fraction form
   2,071.57/3,103.71 = 1,845.58/x
3. Step 3: Cross multiply
   2,071.57x = 3,103.71 × 1,845.58
4. Step 4: Simplify right side
   2,071.57x = 5,728,145.10
5. Step 5: Solve for x
   x = 5,728,145.10/2,071.57
6. Step 6: Final answer
   x = 2,765.12