Finding the Fourth Proportional to 897,413, 1,238,517.42 and 495,005

Step by Step Solution

1. Step 1: Write the proportion equation
   897,413 : 1,238,517.42 = 495,005 : x
2. Step 2: Convert to fraction form
   897,413/1,238,517.42 = 495,005/x
3. Step 3: Cross multiply
   897,413x = 1,238,517.42 × 495,005
4. Step 4: Simplify right side
   897,413x = 613,072,315,487.10
5. Step 5: Solve for x
   x = 613,072,315,487.10/897,413
6. Step 6: Final answer
   x = 683,155.15