Finding the Fourth Proportional to 404,496.59, 606,557.16 and 236,065.39

Step by Step Solution

1. Step 1: Write the proportion equation
   404,496.59 : 606,557.16 = 236,065.39 : x
2. Step 2: Convert to fraction form
   404,496.59/606,557.16 = 236,065.39/x
3. Step 3: Cross multiply
   404,496.59x = 606,557.16 × 236,065.39
4. Step 4: Simplify right side
   404,496.59x = 143,187,151,016.30
5. Step 5: Solve for x
   x = 143,187,151,016.30/404,496.59
6. Step 6: Final answer
   x = 353,988.53