Finding the Fourth Proportional to 1,008,443, 1,391,651.34 and 555,734

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,443 : 1,391,651.34 = 555,734 : x
2. Step 2: Convert to fraction form
   1,008,443/1,391,651.34 = 555,734/x
3. Step 3: Cross multiply
   1,008,443x = 1,391,651.34 × 555,734
4. Step 4: Simplify right side
   1,008,443x = 773,387,965,783.56
5. Step 5: Solve for x
   x = 773,387,965,783.56/1,008,443
6. Step 6: Final answer
   x = 766,912.92