Finding the Fourth Proportional to 72,064.48, 108,004.56 and 30,454.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,064.48 : 108,004.56 = 30,454.24 : x
2. Step 2: Convert to fraction form
   72,064.48/108,004.56 = 30,454.24/x
3. Step 3: Cross multiply
   72,064.48x = 108,004.56 × 30,454.24
4. Step 4: Simplify right side
   72,064.48x = 3,289,196,791.33
5. Step 5: Solve for x
   x = 3,289,196,791.33/72,064.48
6. Step 6: Final answer
   x = 45,642.41