Finding the Fourth Proportional to 2,238.72, 3,355.76 and 1,506.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.72 : 3,355.76 = 1,506.56 : x
2. Step 2: Convert to fraction form
   2,238.72/3,355.76 = 1,506.56/x
3. Step 3: Cross multiply
   2,238.72x = 3,355.76 × 1,506.56
4. Step 4: Simplify right side
   2,238.72x = 5,055,653.79
5. Step 5: Solve for x
   x = 5,055,653.79/2,238.72
6. Step 6: Final answer
   x = 2,258.28