Finding the Fourth Proportional to 359,945.16, 496,710.84 and 198,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   359,945.16 : 496,710.84 = 198,796.72 : x
2. Step 2: Convert to fraction form
   359,945.16/496,710.84 = 198,796.72/x
3. Step 3: Cross multiply
   359,945.16x = 496,710.84 × 198,796.72
4. Step 4: Simplify right side
   359,945.16x = 98,744,485,780.44
5. Step 5: Solve for x
   x = 98,744,485,780.44/359,945.16
6. Step 6: Final answer
   x = 274,332.03