Finding the Fourth Proportional to 2,410.05, 3,615.05 and 1,240.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.05 : 3,615.05 = 1,240.38 : x
2. Step 2: Convert to fraction form
   2,410.05/3,615.05 = 1,240.38/x
3. Step 3: Cross multiply
   2,410.05x = 3,615.05 × 1,240.38
4. Step 4: Simplify right side
   2,410.05x = 4,484,035.72
5. Step 5: Solve for x
   x = 4,484,035.72/2,410.05
6. Step 6: Final answer
   x = 1,860.56