Finding the Fourth Proportional to 355,504.72, 490,605.78 and 194,366.56

Step by Step Solution

1. Step 1: Write the proportion equation
   355,504.72 : 490,605.78 = 194,366.56 : x
2. Step 2: Convert to fraction form
   355,504.72/490,605.78 = 194,366.56/x
3. Step 3: Cross multiply
   355,504.72x = 490,605.78 × 194,366.56
4. Step 4: Simplify right side
   355,504.72x = 95,357,357,774.72
5. Step 5: Solve for x
   x = 95,357,357,774.72/355,504.72
6. Step 6: Final answer
   x = 268,230.92