Finding the Fourth Proportional to 629,630.89, 868,865.33 and 343,144.82

Step by Step Solution

1. Step 1: Write the proportion equation
   629,630.89 : 868,865.33 = 343,144.82 : x
2. Step 2: Convert to fraction form
   629,630.89/868,865.33 = 343,144.82/x
3. Step 3: Cross multiply
   629,630.89x = 868,865.33 × 343,144.82
4. Step 4: Simplify right side
   629,630.89x = 298,146,635,551.37
5. Step 5: Solve for x
   x = 298,146,635,551.37/629,630.89
6. Step 6: Final answer
   x = 473,526.07