Finding the Fourth Proportional to 819,794, 1,131,315.72 and 442,962

Step by Step Solution

1. Step 1: Write the proportion equation
   819,794 : 1,131,315.72 = 442,962 : x
2. Step 2: Convert to fraction form
   819,794/1,131,315.72 = 442,962/x
3. Step 3: Cross multiply
   819,794x = 1,131,315.72 × 442,962
4. Step 4: Simplify right side
   819,794x = 501,129,873,962.64
5. Step 5: Solve for x
   x = 501,129,873,962.64/819,794
6. Step 6: Final answer
   x = 611,287.56