Finding the Fourth Proportional to 30,947.12, 42,706.73 and 16,799.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,947.12 : 42,706.73 = 16,799.94 : x
2. Step 2: Convert to fraction form
   30,947.12/42,706.73 = 16,799.94/x
3. Step 3: Cross multiply
   30,947.12x = 42,706.73 × 16,799.94
4. Step 4: Simplify right side
   30,947.12x = 717,470,417.60
5. Step 5: Solve for x
   x = 717,470,417.60/30,947.12
6. Step 6: Final answer
   x = 23,183.76