Finding the Fourth Proportional to 1,395,016.72, 2,092,544.52 and 397,744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,016.72 : 2,092,544.52 = 397,744.72 : x
2. Step 2: Convert to fraction form
   1,395,016.72/2,092,544.52 = 397,744.72/x
3. Step 3: Cross multiply
   1,395,016.72x = 2,092,544.52 × 397,744.72
4. Step 4: Simplify right side
   1,395,016.72x = 832,298,534,194.93
5. Step 5: Solve for x
   x = 832,298,534,194.93/1,395,016.72
6. Step 6: Final answer
   x = 596,622.62