Finding the Fourth Proportional to 684,016.25, 943,845.92 and 389,673.69

Step by Step Solution

1. Step 1: Write the proportion equation
   684,016.25 : 943,845.92 = 389,673.69 : x
2. Step 2: Convert to fraction form
   684,016.25/943,845.92 = 389,673.69/x
3. Step 3: Cross multiply
   684,016.25x = 943,845.92 × 389,673.69
4. Step 4: Simplify right side
   684,016.25x = 367,791,918,411.33
5. Step 5: Solve for x
   x = 367,791,918,411.33/684,016.25
6. Step 6: Final answer
   x = 537,694.71