Finding the Fourth Proportional to 484,100.74, 668,083.71 and 269,245

Step by Step Solution

1. Step 1: Write the proportion equation
   484,100.74 : 668,083.71 = 269,245 : x
2. Step 2: Convert to fraction form
   484,100.74/668,083.71 = 269,245/x
3. Step 3: Cross multiply
   484,100.74x = 668,083.71 × 269,245
4. Step 4: Simplify right side
   484,100.74x = 179,878,198,498.95
5. Step 5: Solve for x
   x = 179,878,198,498.95/484,100.74
6. Step 6: Final answer
   x = 371,571.83