Finding the Fourth Proportional to 356,111.72, 491,435.60 and 194,981.77

Step by Step Solution

1. Step 1: Write the proportion equation
   356,111.72 : 491,435.60 = 194,981.77 : x
2. Step 2: Convert to fraction form
   356,111.72/491,435.60 = 194,981.77/x
3. Step 3: Cross multiply
   356,111.72x = 491,435.60 × 194,981.77
4. Step 4: Simplify right side
   356,111.72x = 95,820,983,129.01
5. Step 5: Solve for x
   x = 95,820,983,129.01/356,111.72
6. Step 6: Final answer
   x = 269,075.62