Finding the Fourth Proportional to 358,081.50, 494,155.72 and 194,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   358,081.50 : 494,155.72 = 194,739.50 : x
2. Step 2: Convert to fraction form
   358,081.50/494,155.72 = 194,739.50/x
3. Step 3: Cross multiply
   358,081.50x = 494,155.72 × 194,739.50
4. Step 4: Simplify right side
   358,081.50x = 96,231,637,834.94
5. Step 5: Solve for x
   x = 96,231,637,834.94/358,081.50
6. Step 6: Final answer
   x = 268,742.28