Finding the Fourth Proportional to 517,813.98, 714,499.83 and 326,930.46

Step by Step Solution

1. Step 1: Write the proportion equation
   517,813.98 : 714,499.83 = 326,930.46 : x
2. Step 2: Convert to fraction form
   517,813.98/714,499.83 = 326,930.46/x
3. Step 3: Cross multiply
   517,813.98x = 714,499.83 × 326,930.46
4. Step 4: Simplify right side
   517,813.98x = 233,591,758,091.82
5. Step 5: Solve for x
   x = 233,591,758,091.82/517,813.98
6. Step 6: Final answer
   x = 451,111.34