Finding the Fourth Proportional to 355,903.46, 491,146.83 and 194,758.55

Step by Step Solution

1. Step 1: Write the proportion equation
   355,903.46 : 491,146.83 = 194,758.55 : x
2. Step 2: Convert to fraction form
   355,903.46/491,146.83 = 194,758.55/x
3. Step 3: Cross multiply
   355,903.46x = 491,146.83 × 194,758.55
4. Step 4: Simplify right side
   355,903.46x = 95,655,041,018.37
5. Step 5: Solve for x
   x = 95,655,041,018.37/355,903.46
6. Step 6: Final answer
   x = 268,766.82