Finding the Fourth Proportional to 40,409.94, 55,768.78 and 23,418.78

Step by Step Solution

1. Step 1: Write the proportion equation
   40,409.94 : 55,768.78 = 23,418.78 : x
2. Step 2: Convert to fraction form
   40,409.94/55,768.78 = 23,418.78/x
3. Step 3: Cross multiply
   40,409.94x = 55,768.78 × 23,418.78
4. Step 4: Simplify right side
   40,409.94x = 1,306,036,789.69
5. Step 5: Solve for x
   x = 1,306,036,789.69/40,409.94
6. Step 6: Final answer
   x = 32,319.69