Finding the Fourth Proportional to 389,301.54, 583,901.82 and 123,088.92

Step by Step Solution

1. Step 1: Write the proportion equation
   389,301.54 : 583,901.82 = 123,088.92 : x
2. Step 2: Convert to fraction form
   389,301.54/583,901.82 = 123,088.92/x
3. Step 3: Cross multiply
   389,301.54x = 583,901.82 × 123,088.92
4. Step 4: Simplify right side
   389,301.54x = 71,871,844,409.83
5. Step 5: Solve for x
   x = 71,871,844,409.83/389,301.54
6. Step 6: Final answer
   x = 184,617.42