Finding the Fourth Proportional to 55,559.06, 76,673.34 and 30,408.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,559.06 : 76,673.34 = 30,408.56 : x
2. Step 2: Convert to fraction form
   55,559.06/76,673.34 = 30,408.56/x
3. Step 3: Cross multiply
   55,559.06x = 76,673.34 × 30,408.56
4. Step 4: Simplify right side
   55,559.06x = 2,331,525,859.79
5. Step 5: Solve for x
   x = 2,331,525,859.79/55,559.06
6. Step 6: Final answer
   x = 41,964.82