Finding the Fourth Proportional to 356,003.91, 491,290.02 and 194,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,003.91 : 491,290.02 = 194,855.50 : x
2. Step 2: Convert to fraction form
   356,003.91/491,290.02 = 194,855.50/x
3. Step 3: Cross multiply
   356,003.91x = 491,290.02 × 194,855.50
4. Step 4: Simplify right side
   356,003.91x = 95,730,561,517.83
5. Step 5: Solve for x
   x = 95,730,561,517.83/356,003.91
6. Step 6: Final answer
   x = 268,903.12