Finding the Fourth Proportional to 897,426.78, 1,240,061.75 and 682,193.18

Step by Step Solution

1. Step 1: Write the proportion equation
   897,426.78 : 1,240,061.75 = 682,193.18 : x
2. Step 2: Convert to fraction form
   897,426.78/1,240,061.75 = 682,193.18/x
3. Step 3: Cross multiply
   897,426.78x = 1,240,061.75 × 682,193.18
4. Step 4: Simplify right side
   897,426.78x = 845,961,659,017.59
5. Step 5: Solve for x
   x = 845,961,659,017.59/897,426.78
6. Step 6: Final answer
   x = 942,652.57