Finding the Fourth Proportional to 773,146, 1,067,408.04 and 505,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   773,146 : 1,067,408.04 = 505,340.56 : x
2. Step 2: Convert to fraction form
   773,146/1,067,408.04 = 505,340.56/x
3. Step 3: Cross multiply
   773,146x = 1,067,408.04 × 505,340.56
4. Step 4: Simplify right side
   773,146x = 539,404,576,682.10
5. Step 5: Solve for x
   x = 539,404,576,682.10/773,146
6. Step 6: Final answer
   x = 697,674.92