Finding the Fourth Proportional to 359,796.27, 496,538.31 and 198,650.82

Step by Step Solution

1. Step 1: Write the proportion equation
   359,796.27 : 496,538.31 = 198,650.82 : x
2. Step 2: Convert to fraction form
   359,796.27/496,538.31 = 198,650.82/x
3. Step 3: Cross multiply
   359,796.27x = 496,538.31 × 198,650.82
4. Step 4: Simplify right side
   359,796.27x = 98,637,742,442.91
5. Step 5: Solve for x
   x = 98,637,742,442.91/359,796.27
6. Step 6: Final answer
   x = 274,148.87