Finding the Fourth Proportional to 83,631.05, 125,413.89 and 30,310.37

Step by Step Solution

1. Step 1: Write the proportion equation
   83,631.05 : 125,413.89 = 30,310.37 : x
2. Step 2: Convert to fraction form
   83,631.05/125,413.89 = 30,310.37/x
3. Step 3: Cross multiply
   83,631.05x = 125,413.89 × 30,310.37
4. Step 4: Simplify right side
   83,631.05x = 3,801,341,409.04
5. Step 5: Solve for x
   x = 3,801,341,409.04/83,631.05
6. Step 6: Final answer
   x = 45,453.71