Finding the Fourth Proportional to 730,443.30, 1,095,146.55 and 331,275.30

Step by Step Solution

1. Step 1: Write the proportion equation
   730,443.30 : 1,095,146.55 = 331,275.30 : x
2. Step 2: Convert to fraction form
   730,443.30/1,095,146.55 = 331,275.30/x
3. Step 3: Cross multiply
   730,443.30x = 1,095,146.55 × 331,275.30
4. Step 4: Simplify right side
   730,443.30x = 362,795,001,895.22
5. Step 5: Solve for x
   x = 362,795,001,895.22/730,443.30
6. Step 6: Final answer
   x = 496,677.84