Finding the Fourth Proportional to 493,111.05, 739,049.11 and 264,845.72

Step by Step Solution

1. Step 1: Write the proportion equation
   493,111.05 : 739,049.11 = 264,845.72 : x
2. Step 2: Convert to fraction form
   493,111.05/739,049.11 = 264,845.72/x
3. Step 3: Cross multiply
   493,111.05x = 739,049.11 × 264,845.72
4. Step 4: Simplify right side
   493,111.05x = 195,733,993,653.31
5. Step 5: Solve for x
   x = 195,733,993,653.31/493,111.05
6. Step 6: Final answer
   x = 396,936.94