Finding the Fourth Proportional to 2,238.72, 3,356.46 and 1,006.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.72 : 3,356.46 = 1,006.71 : x
2. Step 2: Convert to fraction form
   2,238.72/3,356.46 = 1,006.71/x
3. Step 3: Cross multiply
   2,238.72x = 3,356.46 × 1,006.71
4. Step 4: Simplify right side
   2,238.72x = 3,378,981.85
5. Step 5: Solve for x
   x = 3,378,981.85/2,238.72
6. Step 6: Final answer
   x = 1,509.34