Finding the Fourth Proportional to 404,386.92, 606,558.51 and 123,904.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,386.92 : 606,558.51 = 123,904.98 : x
2. Step 2: Convert to fraction form
   404,386.92/606,558.51 = 123,904.98/x
3. Step 3: Cross multiply
   404,386.92x = 606,558.51 × 123,904.98
4. Step 4: Simplify right side
   404,386.92x = 75,155,620,050.38
5. Step 5: Solve for x
   x = 75,155,620,050.38/404,386.92
6. Step 6: Final answer
   x = 185,850.77