Finding the Fourth Proportional to 298,054.47, 412,398.24 and 259,893.59

Step by Step Solution

1. Step 1: Write the proportion equation
   298,054.47 : 412,398.24 = 259,893.59 : x
2. Step 2: Convert to fraction form
   298,054.47/412,398.24 = 259,893.59/x
3. Step 3: Cross multiply
   298,054.47x = 412,398.24 × 259,893.59
4. Step 4: Simplify right side
   298,054.47x = 107,179,659,046.89
5. Step 5: Solve for x
   x = 107,179,659,046.89/298,054.47
6. Step 6: Final answer
   x = 359,597.56