Finding the Fourth Proportional to 796,128.72, 1,194,685.12 and 322,818.16

Step by Step Solution

1. Step 1: Write the proportion equation
   796,128.72 : 1,194,685.12 = 322,818.16 : x
2. Step 2: Convert to fraction form
   796,128.72/1,194,685.12 = 322,818.16/x
3. Step 3: Cross multiply
   796,128.72x = 1,194,685.12 × 322,818.16
4. Step 4: Simplify right side
   796,128.72x = 385,666,052,217.78
5. Step 5: Solve for x
   x = 385,666,052,217.78/796,128.72
6. Step 6: Final answer
   x = 484,426.75