Finding the Fourth Proportional to 455,061.98, 682,596.69 and 298,283.18

Step by Step Solution

1. Step 1: Write the proportion equation
   455,061.98 : 682,596.69 = 298,283.18 : x
2. Step 2: Convert to fraction form
   455,061.98/682,596.69 = 298,283.18/x
3. Step 3: Cross multiply
   455,061.98x = 682,596.69 × 298,283.18
4. Step 4: Simplify right side
   455,061.98x = 203,607,111,350.67
5. Step 5: Solve for x
   x = 203,607,111,350.67/455,061.98
6. Step 6: Final answer
   x = 447,427.21