Finding the Fourth Proportional to 389,703.88, 584,572.84 and 123,484.02

Step by Step Solution

1. Step 1: Write the proportion equation
   389,703.88 : 584,572.84 = 123,484.02 : x
2. Step 2: Convert to fraction form
   389,703.88/584,572.84 = 123,484.02/x
3. Step 3: Cross multiply
   389,703.88x = 584,572.84 × 123,484.02
4. Step 4: Simplify right side
   389,703.88x = 72,185,404,266.02
5. Step 5: Solve for x
   x = 72,185,404,266.02/389,703.88
6. Step 6: Final answer
   x = 185,231.42