Finding the Fourth Proportional to 40,155.48, 55,413.79 and 22,250.09

Step by Step Solution

1. Step 1: Write the proportion equation
   40,155.48 : 55,413.79 = 22,250.09 : x
2. Step 2: Convert to fraction form
   40,155.48/55,413.79 = 22,250.09/x
3. Step 3: Cross multiply
   40,155.48x = 55,413.79 × 22,250.09
4. Step 4: Simplify right side
   40,155.48x = 1,232,961,897.65
5. Step 5: Solve for x
   x = 1,232,961,897.65/40,155.48
6. Step 6: Final answer
   x = 30,704.70