Finding the Fourth Proportional to 629,443.71, 868,607.94 and 342,965.94

Step by Step Solution

1. Step 1: Write the proportion equation
   629,443.71 : 868,607.94 = 342,965.94 : x
2. Step 2: Convert to fraction form
   629,443.71/868,607.94 = 342,965.94/x
3. Step 3: Cross multiply
   629,443.71x = 868,607.94 × 342,965.94
4. Step 4: Simplify right side
   629,443.71x = 297,902,938,633.56
5. Step 5: Solve for x
   x = 297,902,938,633.56/629,443.71
6. Step 6: Final answer
   x = 473,279.71