Finding the Fourth Proportional to 60,399.09, 90,645.39 and 41,809.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,399.09 : 90,645.39 = 41,809.05 : x
2. Step 2: Convert to fraction form
   60,399.09/90,645.39 = 41,809.05/x
3. Step 3: Cross multiply
   60,399.09x = 90,645.39 × 41,809.05
4. Step 4: Simplify right side
   60,399.09x = 3,789,797,642.78
5. Step 5: Solve for x
   x = 3,789,797,642.78/60,399.09
6. Step 6: Final answer
   x = 62,745.94