Finding the Fourth Proportional to 711,805.34, 1,067,801.98 and 262,841.78

Step by Step Solution

1. Step 1: Write the proportion equation
   711,805.34 : 1,067,801.98 = 262,841.78 : x
2. Step 2: Convert to fraction form
   711,805.34/1,067,801.98 = 262,841.78/x
3. Step 3: Cross multiply
   711,805.34x = 1,067,801.98 × 262,841.78
4. Step 4: Simplify right side
   711,805.34x = 280,662,973,110.72
5. Step 5: Solve for x
   x = 280,662,973,110.72/711,805.34
6. Step 6: Final answer
   x = 394,297.37