Finding the Fourth Proportional to 897,417, 1,238,522.94 and 495,009

Step by Step Solution

1. Step 1: Write the proportion equation
   897,417 : 1,238,522.94 = 495,009 : x
2. Step 2: Convert to fraction form
   897,417/1,238,522.94 = 495,009/x
3. Step 3: Cross multiply
   897,417x = 1,238,522.94 × 495,009
4. Step 4: Simplify right side
   897,417x = 613,080,002,006.46
5. Step 5: Solve for x
   x = 613,080,002,006.46/897,417
6. Step 6: Final answer
   x = 683,160.67