Finding the Fourth Proportional to 404,055.81, 606,083.69 and 383,851.71

Step by Step Solution

1. Step 1: Write the proportion equation
   404,055.81 : 606,083.69 = 383,851.71 : x
2. Step 2: Convert to fraction form
   404,055.81/606,083.69 = 383,851.71/x
3. Step 3: Cross multiply
   404,055.81x = 606,083.69 × 383,851.71
4. Step 4: Simplify right side
   404,055.81x = 232,646,258,890.35
5. Step 5: Solve for x
   x = 232,646,258,890.35/404,055.81
6. Step 6: Final answer
   x = 575,777.54