Finding the Fourth Proportional to 389,704.38, 584,573.60 and 123,484.52

Step by Step Solution

1. Step 1: Write the proportion equation
   389,704.38 : 584,573.60 = 123,484.52 : x
2. Step 2: Convert to fraction form
   389,704.38/584,573.60 = 123,484.52/x
3. Step 3: Cross multiply
   389,704.38x = 584,573.60 × 123,484.52
4. Step 4: Simplify right side
   389,704.38x = 72,185,790,400.67
5. Step 5: Solve for x
   x = 72,185,790,400.67/389,704.38
6. Step 6: Final answer
   x = 185,232.18