Finding the Fourth Proportional to 40,354.12, 55,688.79 and 22,449.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,354.12 : 55,688.79 = 22,449.25 : x
2. Step 2: Convert to fraction form
   40,354.12/55,688.79 = 22,449.25/x
3. Step 3: Cross multiply
   40,354.12x = 55,688.79 × 22,449.25
4. Step 4: Simplify right side
   40,354.12x = 1,250,171,568.91
5. Step 5: Solve for x
   x = 1,250,171,568.91/40,354.12
6. Step 6: Final answer
   x = 30,980.02