Finding the Fourth Proportional to 897,722, 1,238,856.39 and 495,314

Step by Step Solution

1. Step 1: Write the proportion equation
   897,722 : 1,238,856.39 = 495,314 : x
2. Step 2: Convert to fraction form
   897,722/1,238,856.39 = 495,314/x
3. Step 3: Cross multiply
   897,722x = 1,238,856.39 × 495,314
4. Step 4: Simplify right side
   897,722x = 613,622,913,956.46
5. Step 5: Solve for x
   x = 613,622,913,956.46/897,722
6. Step 6: Final answer
   x = 683,533.34