Finding the Fourth Proportional to 40,162.23, 55,421.82 and 22,257.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,162.23 : 55,421.82 = 22,257.05 : x
2. Step 2: Convert to fraction form
   40,162.23/55,421.82 = 22,257.05/x
3. Step 3: Cross multiply
   40,162.23x = 55,421.82 × 22,257.05
4. Step 4: Simplify right side
   40,162.23x = 1,233,525,941.72
5. Step 5: Solve for x
   x = 1,233,525,941.72/40,162.23
6. Step 6: Final answer
   x = 30,713.58