Finding the Fourth Proportional to 359,796.50, 496,526.37 and 198,651.86

Step by Step Solution

1. Step 1: Write the proportion equation
   359,796.50 : 496,526.37 = 198,651.86 : x
2. Step 2: Convert to fraction form
   359,796.50/496,526.37 = 198,651.86/x
3. Step 3: Cross multiply
   359,796.50x = 496,526.37 × 198,651.86
4. Step 4: Simplify right side
   359,796.50x = 98,635,886,939.55
5. Step 5: Solve for x
   x = 98,635,886,939.55/359,796.50
6. Step 6: Final answer
   x = 274,143.54