Finding the Fourth Proportional to 55,620.54, 76,756.41 and 30,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,620.54 : 76,756.41 = 30,469.50 : x
2. Step 2: Convert to fraction form
   55,620.54/76,756.41 = 30,469.50/x
3. Step 3: Cross multiply
   55,620.54x = 76,756.41 × 30,469.50
4. Step 4: Simplify right side
   55,620.54x = 2,338,729,434.50
5. Step 5: Solve for x
   x = 2,338,729,434.50/55,620.54
6. Step 6: Final answer
   x = 42,047.95