Finding the Fourth Proportional to 40,164.06, 55,427.40 and 22,259.28

Step by Step Solution

1. Step 1: Write the proportion equation
   40,164.06 : 55,427.40 = 22,259.28 : x
2. Step 2: Convert to fraction form
   40,164.06/55,427.40 = 22,259.28/x
3. Step 3: Cross multiply
   40,164.06x = 55,427.40 × 22,259.28
4. Step 4: Simplify right side
   40,164.06x = 1,233,774,016.27
5. Step 5: Solve for x
   x = 1,233,774,016.27/40,164.06
6. Step 6: Final answer
   x = 30,718.36