Finding the Fourth Proportional to 308,013.72, 424,899.72 and 194,902.08

Step by Step Solution

1. Step 1: Write the proportion equation
   308,013.72 : 424,899.72 = 194,902.08 : x
2. Step 2: Convert to fraction form
   308,013.72/424,899.72 = 194,902.08/x
3. Step 3: Cross multiply
   308,013.72x = 424,899.72 × 194,902.08
4. Step 4: Simplify right side
   308,013.72x = 82,813,839,219.42
5. Step 5: Solve for x
   x = 82,813,839,219.42/308,013.72
6. Step 6: Final answer
   x = 268,864.12