Finding the Fourth Proportional to 49,610.88, 68,441.76 and 30,480.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,610.88 : 68,441.76 = 30,480.30 : x
2. Step 2: Convert to fraction form
   49,610.88/68,441.76 = 30,480.30/x
3. Step 3: Cross multiply
   49,610.88x = 68,441.76 × 30,480.30
4. Step 4: Simplify right side
   49,610.88x = 2,086,125,377.33
5. Step 5: Solve for x
   x = 2,086,125,377.33/49,610.88
6. Step 6: Final answer
   x = 42,049.76