Finding the Fourth Proportional to 2,541.40, 3,815.46 and 2,512.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.40 : 3,815.46 = 2,512.12 : x
2. Step 2: Convert to fraction form
   2,541.40/3,815.46 = 2,512.12/x
3. Step 3: Cross multiply
   2,541.40x = 3,815.46 × 2,512.12
4. Step 4: Simplify right side
   2,541.40x = 9,584,893.38
5. Step 5: Solve for x
   x = 9,584,893.38/2,541.40
6. Step 6: Final answer
   x = 3,771.50