Finding the Fourth Proportional to 2,238.82, 3,358.62 and 940.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.82 : 3,358.62 = 940.18 : x
2. Step 2: Convert to fraction form
   2,238.82/3,358.62 = 940.18/x
3. Step 3: Cross multiply
   2,238.82x = 3,358.62 × 940.18
4. Step 4: Simplify right side
   2,238.82x = 3,157,707.35
5. Step 5: Solve for x
   x = 3,157,707.35/2,238.82
6. Step 6: Final answer
   x = 1,410.43