Finding the Fourth Proportional to 40,353.12, 55,680.89 and 22,448.07

Step by Step Solution

1. Step 1: Write the proportion equation
   40,353.12 : 55,680.89 = 22,448.07 : x
2. Step 2: Convert to fraction form
   40,353.12/55,680.89 = 22,448.07/x
3. Step 3: Cross multiply
   40,353.12x = 55,680.89 × 22,448.07
4. Step 4: Simplify right side
   40,353.12x = 1,249,928,404.14
5. Step 5: Solve for x
   x = 1,249,928,404.14/40,353.12
6. Step 6: Final answer
   x = 30,974.76