Finding the Fourth Proportional to 30,946.72, 42,706.68 and 16,799.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,946.72 : 42,706.68 = 16,799.62 : x
2. Step 2: Convert to fraction form
   30,946.72/42,706.68 = 16,799.62/x
3. Step 3: Cross multiply
   30,946.72x = 42,706.68 × 16,799.62
4. Step 4: Simplify right side
   30,946.72x = 717,455,995.46
5. Step 5: Solve for x
   x = 717,455,995.46/30,946.72
6. Step 6: Final answer
   x = 23,183.59