Finding the Fourth Proportional to 629,300.14, 868,433.00 and 342,820.15

Step by Step Solution

1. Step 1: Write the proportion equation
   629,300.14 : 868,433.00 = 342,820.15 : x
2. Step 2: Convert to fraction form
   629,300.14/868,433.00 = 342,820.15/x
3. Step 3: Cross multiply
   629,300.14x = 868,433.00 × 342,820.15
4. Step 4: Simplify right side
   629,300.14x = 297,716,327,439.77
5. Step 5: Solve for x
   x = 297,716,327,439.77/629,300.14
6. Step 6: Final answer
   x = 473,091.15