Finding the Fourth Proportional to 40,164.80, 55,427.54 and 22,260.10

Step by Step Solution

1. Step 1: Write the proportion equation
   40,164.80 : 55,427.54 = 22,260.10 : x
2. Step 2: Convert to fraction form
   40,164.80/55,427.54 = 22,260.10/x
3. Step 3: Cross multiply
   40,164.80x = 55,427.54 × 22,260.10
4. Step 4: Simplify right side
   40,164.80x = 1,233,822,583.15
5. Step 5: Solve for x
   x = 1,233,822,583.15/40,164.80
6. Step 6: Final answer
   x = 30,719.00