Finding the Fourth Proportional to 510,223.42, 703,872.72 and 328,993.56

Step by Step Solution

1. Step 1: Write the proportion equation
   510,223.42 : 703,872.72 = 328,993.56 : x
2. Step 2: Convert to fraction form
   510,223.42/703,872.72 = 328,993.56/x
3. Step 3: Cross multiply
   510,223.42x = 703,872.72 × 328,993.56
4. Step 4: Simplify right side
   510,223.42x = 231,569,591,939.68
5. Step 5: Solve for x
   x = 231,569,591,939.68/510,223.42
6. Step 6: Final answer
   x = 453,859.20