Finding the Fourth Proportional to 496,429.29, 685,050.81 and 275,652.83

Step by Step Solution

1. Step 1: Write the proportion equation
   496,429.29 : 685,050.81 = 275,652.83 : x
2. Step 2: Convert to fraction form
   496,429.29/685,050.81 = 275,652.83/x
3. Step 3: Cross multiply
   496,429.29x = 685,050.81 × 275,652.83
4. Step 4: Simplify right side
   496,429.29x = 188,836,191,045.04
5. Step 5: Solve for x
   x = 188,836,191,045.04/496,429.29
6. Step 6: Final answer
   x = 380,388.90