Finding the Fourth Proportional to 355,196.84, 490,169.82 and 194,061.11

Step by Step Solution

1. Step 1: Write the proportion equation
   355,196.84 : 490,169.82 = 194,061.11 : x
2. Step 2: Convert to fraction form
   355,196.84/490,169.82 = 194,061.11/x
3. Step 3: Cross multiply
   355,196.84x = 490,169.82 × 194,061.11
4. Step 4: Simplify right side
   355,196.84x = 95,122,896,906.85
5. Step 5: Solve for x
   x = 95,122,896,906.85/355,196.84
6. Step 6: Final answer
   x = 267,803.33