Finding the Fourth Proportional to 1,394,969.50, 2,092,473.69 and 397,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,969.50 : 2,092,473.69 = 397,697.50 : x
2. Step 2: Convert to fraction form
   1,394,969.50/2,092,473.69 = 397,697.50/x
3. Step 3: Cross multiply
   1,394,969.50x = 2,092,473.69 × 397,697.50
4. Step 4: Simplify right side
   1,394,969.50x = 832,171,555,328.78
5. Step 5: Solve for x
   x = 832,171,555,328.78/1,394,969.50
6. Step 6: Final answer
   x = 596,551.79