Finding the Fourth Proportional to 113,605.72, 170,418.18 and 30,504.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,605.72 : 170,418.18 = 30,504.28 : x
2. Step 2: Convert to fraction form
   113,605.72/170,418.18 = 30,504.28/x
3. Step 3: Cross multiply
   113,605.72x = 170,418.18 × 30,504.28
4. Step 4: Simplify right side
   113,605.72x = 5,198,483,879.81
5. Step 5: Solve for x
   x = 5,198,483,879.81/113,605.72
6. Step 6: Final answer
   x = 45,759.00