Finding the Fourth Proportional to 1,356,688.33, 2,035,078.20 and 682,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356,688.33 : 2,035,078.20 = 682,402 : x
2. Step 2: Convert to fraction form
   1,356,688.33/2,035,078.20 = 682,402/x
3. Step 3: Cross multiply
   1,356,688.33x = 2,035,078.20 × 682,402
4. Step 4: Simplify right side
   1,356,688.33x = 1,388,741,430,424.39
5. Step 5: Solve for x
   x = 1,388,741,430,424.39/1,356,688.33
6. Step 6: Final answer
   x = 1,023,625.99