Finding the Fourth Proportional to 308,045.10, 424,874.79 and 194,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,045.10 : 424,874.79 = 194,758.50 : x
2. Step 2: Convert to fraction form
   308,045.10/424,874.79 = 194,758.50/x
3. Step 3: Cross multiply
   308,045.10x = 424,874.79 × 194,758.50
4. Step 4: Simplify right side
   308,045.10x = 82,747,976,788.22
5. Step 5: Solve for x
   x = 82,747,976,788.22/308,045.10
6. Step 6: Final answer
   x = 268,622.93