Finding the Fourth Proportional to 355,842.05, 491,061.71 and 194,697.77

Step by Step Solution

1. Step 1: Write the proportion equation
   355,842.05 : 491,061.71 = 194,697.77 : x
2. Step 2: Convert to fraction form
   355,842.05/491,061.71 = 194,697.77/x
3. Step 3: Cross multiply
   355,842.05x = 491,061.71 × 194,697.77
4. Step 4: Simplify right side
   355,842.05x = 95,608,618,895.90
5. Step 5: Solve for x
   x = 95,608,618,895.90/355,842.05
6. Step 6: Final answer
   x = 268,682.75