Finding the Fourth Proportional to 45,399.39, 68,155.79 and 30,673.59

Step by Step Solution

1. Step 1: Write the proportion equation
   45,399.39 : 68,155.79 = 30,673.59 : x
2. Step 2: Convert to fraction form
   45,399.39/68,155.79 = 30,673.59/x
3. Step 3: Cross multiply
   45,399.39x = 68,155.79 × 30,673.59
4. Step 4: Simplify right side
   45,399.39x = 2,090,582,605.22
5. Step 5: Solve for x
   x = 2,090,582,605.22/45,399.39
6. Step 6: Final answer
   x = 46,048.69