Finding the Fourth Proportional to 40,034.28, 55,246.33 and 22,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   40,034.28 : 55,246.33 = 22,128.82 : x
2. Step 2: Convert to fraction form
   40,034.28/55,246.33 = 22,128.82/x
3. Step 3: Cross multiply
   40,034.28x = 55,246.33 × 22,128.82
4. Step 4: Simplify right side
   40,034.28x = 1,222,536,036.91
5. Step 5: Solve for x
   x = 1,222,536,036.91/40,034.28
6. Step 6: Final answer
   x = 30,537.23