Finding the Fourth Proportional to 405,914.89, 560,171.69 and 262,923.82

Step by Step Solution

1. Step 1: Write the proportion equation
   405,914.89 : 560,171.69 = 262,923.82 : x
2. Step 2: Convert to fraction form
   405,914.89/560,171.69 = 262,923.82/x
3. Step 3: Cross multiply
   405,914.89x = 560,171.69 × 262,923.82
4. Step 4: Simplify right side
   405,914.89x = 147,282,480,590.66
5. Step 5: Solve for x
   x = 147,282,480,590.66/405,914.89
6. Step 6: Final answer
   x = 362,840.79