Finding the Fourth Proportional to 40,162.58, 55,427.56 and 22,259.30

Step by Step Solution

1. Step 1: Write the proportion equation
   40,162.58 : 55,427.56 = 22,259.30 : x
2. Step 2: Convert to fraction form
   40,162.58/55,427.56 = 22,259.30/x
3. Step 3: Cross multiply
   40,162.58x = 55,427.56 × 22,259.30
4. Step 4: Simplify right side
   40,162.58x = 1,233,778,686.31
5. Step 5: Solve for x
   x = 1,233,778,686.31/40,162.58
6. Step 6: Final answer
   x = 30,719.61