Finding the Fourth Proportional to 1,394,538.72, 2,091,116.73 and 495,845.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,538.72 : 2,091,116.73 = 495,845.34 : x
2. Step 2: Convert to fraction form
   1,394,538.72/2,091,116.73 = 495,845.34/x
3. Step 3: Cross multiply
   1,394,538.72x = 2,091,116.73 × 495,845.34
4. Step 4: Simplify right side
   1,394,538.72x = 1,036,870,485,966.54
5. Step 5: Solve for x
   x = 1,036,870,485,966.54/1,394,538.72
6. Step 6: Final answer
   x = 743,522.19