Finding the Fourth Proportional to 308,040.10, 424,867.89 and 194,753.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,040.10 : 424,867.89 = 194,753.50 : x
2. Step 2: Convert to fraction form
   308,040.10/424,867.89 = 194,753.50/x
3. Step 3: Cross multiply
   308,040.10x = 424,867.89 × 194,753.50
4. Step 4: Simplify right side
   308,040.10x = 82,744,508,615.12
5. Step 5: Solve for x
   x = 82,744,508,615.12/308,040.10
6. Step 6: Final answer
   x = 268,616.03