Finding the Fourth Proportional to 153,091.80, 229,637.79 and 83,413.98

Step by Step Solution

1. Step 1: Write the proportion equation
   153,091.80 : 229,637.79 = 83,413.98 : x
2. Step 2: Convert to fraction form
   153,091.80/229,637.79 = 83,413.98/x
3. Step 3: Cross multiply
   153,091.80x = 229,637.79 × 83,413.98
4. Step 4: Simplify right side
   153,091.80x = 19,155,002,022.30
5. Step 5: Solve for x
   x = 19,155,002,022.30/153,091.80
6. Step 6: Final answer
   x = 125,121.02