Finding the Fourth Proportional to 404,568.74, 606,665.34 and 236,137.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,568.74 : 606,665.34 = 236,137.52 : x
2. Step 2: Convert to fraction form
   404,568.74/606,665.34 = 236,137.52/x
3. Step 3: Cross multiply
   404,568.74x = 606,665.34 × 236,137.52
4. Step 4: Simplify right side
   404,568.74x = 143,256,448,857.56
5. Step 5: Solve for x
   x = 143,256,448,857.56/404,568.74
6. Step 6: Final answer
   x = 354,096.68