Finding the Fourth Proportional to 359,710.27, 496,400.27 and 198,565.42

Step by Step Solution

1. Step 1: Write the proportion equation
   359,710.27 : 496,400.27 = 198,565.42 : x
2. Step 2: Convert to fraction form
   359,710.27/496,400.27 = 198,565.42/x
3. Step 3: Cross multiply
   359,710.27x = 496,400.27 × 198,565.42
4. Step 4: Simplify right side
   359,710.27x = 98,567,928,100.66
5. Step 5: Solve for x
   x = 98,567,928,100.66/359,710.27
6. Step 6: Final answer
   x = 274,020.33