Finding the Fourth Proportional to 47,673, 65,788.74 and 30,906

Step by Step Solution

1. Step 1: Write the proportion equation
   47,673 : 65,788.74 = 30,906 : x
2. Step 2: Convert to fraction form
   47,673/65,788.74 = 30,906/x
3. Step 3: Cross multiply
   47,673x = 65,788.74 × 30,906
4. Step 4: Simplify right side
   47,673x = 2,033,266,798.44
5. Step 5: Solve for x
   x = 2,033,266,798.44/47,673
6. Step 6: Final answer
   x = 42,650.28