Finding the Fourth Proportional to 2,365.55, 3,240.81 and 2,276.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.55 : 3,240.81 = 2,276.87 : x
2. Step 2: Convert to fraction form
   2,365.55/3,240.81 = 2,276.87/x
3. Step 3: Cross multiply
   2,365.55x = 3,240.81 × 2,276.87
4. Step 4: Simplify right side
   2,365.55x = 7,378,911.49
5. Step 5: Solve for x
   x = 7,378,911.49/2,365.55
6. Step 6: Final answer
   x = 3,119.33