Finding the Fourth Proportional to 629,667.18, 868,958.91 and 343,205.82

Step by Step Solution

1. Step 1: Write the proportion equation
   629,667.18 : 868,958.91 = 343,205.82 : x
2. Step 2: Convert to fraction form
   629,667.18/868,958.91 = 343,205.82/x
3. Step 3: Cross multiply
   629,667.18x = 868,958.91 × 343,205.82
4. Step 4: Simplify right side
   629,667.18x = 298,231,755,252.86
5. Step 5: Solve for x
   x = 298,231,755,252.86/629,667.18
6. Step 6: Final answer
   x = 473,633.95