Finding the Fourth Proportional to 359,654, 496,322.52 and 200,678

Step by Step Solution

1. Step 1: Write the proportion equation
   359,654 : 496,322.52 = 200,678 : x
2. Step 2: Convert to fraction form
   359,654/496,322.52 = 200,678/x
3. Step 3: Cross multiply
   359,654x = 496,322.52 × 200,678
4. Step 4: Simplify right side
   359,654x = 99,601,010,668.56
5. Step 5: Solve for x
   x = 99,601,010,668.56/359,654
6. Step 6: Final answer
   x = 276,935.64