Finding the Fourth Proportional to 359,453.02, 496,046.82 and 198,308

Step by Step Solution

1. Step 1: Write the proportion equation
   359,453.02 : 496,046.82 = 198,308 : x
2. Step 2: Convert to fraction form
   359,453.02/496,046.82 = 198,308/x
3. Step 3: Cross multiply
   359,453.02x = 496,046.82 × 198,308
4. Step 4: Simplify right side
   359,453.02x = 98,370,052,780.56
5. Step 5: Solve for x
   x = 98,370,052,780.56/359,453.02
6. Step 6: Final answer
   x = 273,665.95