Finding the Fourth Proportional to 3,760.27, 5,187.43 and 2,434.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.27 : 5,187.43 = 2,434.40 : x
2. Step 2: Convert to fraction form
   3,760.27/5,187.43 = 2,434.40/x
3. Step 3: Cross multiply
   3,760.27x = 5,187.43 × 2,434.40
4. Step 4: Simplify right side
   3,760.27x = 12,628,279.59
5. Step 5: Solve for x
   x = 12,628,279.59/3,760.27
6. Step 6: Final answer
   x = 3,358.34