Finding the Fourth Proportional to 308,043.60, 424,872.72 and 194,757

Step by Step Solution

1. Step 1: Write the proportion equation
   308,043.60 : 424,872.72 = 194,757 : x
2. Step 2: Convert to fraction form
   308,043.60/424,872.72 = 194,757/x
3. Step 3: Cross multiply
   308,043.60x = 424,872.72 × 194,757
4. Step 4: Simplify right side
   308,043.60x = 82,746,936,329.04
5. Step 5: Solve for x
   x = 82,746,936,329.04/308,043.60
6. Step 6: Final answer
   x = 268,620.86