Finding the Fourth Proportional to 73,041.94, 109,584.78 and 30,940.57

Step by Step Solution

1. Step 1: Write the proportion equation
   73,041.94 : 109,584.78 = 30,940.57 : x
2. Step 2: Convert to fraction form
   73,041.94/109,584.78 = 30,940.57/x
3. Step 3: Cross multiply
   73,041.94x = 109,584.78 × 30,940.57
4. Step 4: Simplify right side
   73,041.94x = 3,390,615,556.52
5. Step 5: Solve for x
   x = 3,390,615,556.52/73,041.94
6. Step 6: Final answer
   x = 46,420.12