Finding the Fourth Proportional to 612,942.77, 845,870.78 and 341,013.83

Step by Step Solution

1. Step 1: Write the proportion equation
   612,942.77 : 845,870.78 = 341,013.83 : x
2. Step 2: Convert to fraction form
   612,942.77/845,870.78 = 341,013.83/x
3. Step 3: Cross multiply
   612,942.77x = 845,870.78 × 341,013.83
4. Step 4: Simplify right side
   612,942.77x = 288,453,632,667.82
5. Step 5: Solve for x
   x = 288,453,632,667.82/612,942.77
6. Step 6: Final answer
   x = 470,604.51