Finding the Fourth Proportional to 356,151.16, 491,488.72 and 195,016.40

Step by Step Solution

1. Step 1: Write the proportion equation
   356,151.16 : 491,488.72 = 195,016.40 : x
2. Step 2: Convert to fraction form
   356,151.16/491,488.72 = 195,016.40/x
3. Step 3: Cross multiply
   356,151.16x = 491,488.72 × 195,016.40
4. Step 4: Simplify right side
   356,151.16x = 95,848,360,815.01
5. Step 5: Solve for x
   x = 95,848,360,815.01/356,151.16
6. Step 6: Final answer
   x = 269,122.70