Finding the Fourth Proportional to 1,020,814.60, 1,408,710.42 and 568,105.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,814.60 : 1,408,710.42 = 568,105.48 : x
2. Step 2: Convert to fraction form
   1,020,814.60/1,408,710.42 = 568,105.48/x
3. Step 3: Cross multiply
   1,020,814.60x = 1,408,710.42 × 568,105.48
4. Step 4: Simplify right side
   1,020,814.60x = 800,296,109,335.10
5. Step 5: Solve for x
   x = 800,296,109,335.10/1,020,814.60
6. Step 6: Final answer
   x = 783,977.92