Finding the Fourth Proportional to 55,560, 76,673.52 and 30,408.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,560 : 76,673.52 = 30,408.96 : x
2. Step 2: Convert to fraction form
   55,560/76,673.52 = 30,408.96/x
3. Step 3: Cross multiply
   55,560x = 76,673.52 × 30,408.96
4. Step 4: Simplify right side
   55,560x = 2,331,562,002.74
5. Step 5: Solve for x
   x = 2,331,562,002.74/55,560
6. Step 6: Final answer
   x = 41,964.76