Finding the Fourth Proportional to 389,498.32, 584,189 and 123,224.24

Step by Step Solution

1. Step 1: Write the proportion equation
   389,498.32 : 584,189 = 123,224.24 : x
2. Step 2: Convert to fraction form
   389,498.32/584,189 = 123,224.24/x
3. Step 3: Cross multiply
   389,498.32x = 584,189 × 123,224.24
4. Step 4: Simplify right side
   389,498.32x = 71,986,245,541.36
5. Step 5: Solve for x
   x = 71,986,245,541.36/389,498.32
6. Step 6: Final answer
   x = 184,817.86