Finding the Fourth Proportional to 736,978.82, 1,105,455.86 and 331,945.74

Step by Step Solution

1. Step 1: Write the proportion equation
   736,978.82 : 1,105,455.86 = 331,945.74 : x
2. Step 2: Convert to fraction form
   736,978.82/1,105,455.86 = 331,945.74/x
3. Step 3: Cross multiply
   736,978.82x = 1,105,455.86 × 331,945.74
4. Step 4: Simplify right side
   736,978.82x = 366,951,361,825.31
5. Step 5: Solve for x
   x = 366,951,361,825.31/736,978.82
6. Step 6: Final answer
   x = 497,913.04