Finding the Fourth Proportional to 356,131.71, 491,442.28 and 194,955.59

Step by Step Solution

1. Step 1: Write the proportion equation
   356,131.71 : 491,442.28 = 194,955.59 : x
2. Step 2: Convert to fraction form
   356,131.71/491,442.28 = 194,955.59/x
3. Step 3: Cross multiply
   356,131.71x = 491,442.28 × 194,955.59
4. Step 4: Simplify right side
   356,131.71x = 95,809,420,389.56
5. Step 5: Solve for x
   x = 95,809,420,389.56/356,131.71
6. Step 6: Final answer
   x = 269,028.05