Finding the Fourth Proportional to 90,150.72, 135,210.24 and 27,804.48

Step by Step Solution

1. Step 1: Write the proportion equation
   90,150.72 : 135,210.24 = 27,804.48 : x
2. Step 2: Convert to fraction form
   90,150.72/135,210.24 = 27,804.48/x
3. Step 3: Cross multiply
   90,150.72x = 135,210.24 × 27,804.48
4. Step 4: Simplify right side
   90,150.72x = 3,759,450,413.88
5. Step 5: Solve for x
   x = 3,759,450,413.88/90,150.72
6. Step 6: Final answer
   x = 41,701.83