Finding the Fourth Proportional to 30,894.91, 42,635.28 and 16,747.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,894.91 : 42,635.28 = 16,747.72 : x
2. Step 2: Convert to fraction form
   30,894.91/42,635.28 = 16,747.72/x
3. Step 3: Cross multiply
   30,894.91x = 42,635.28 × 16,747.72
4. Step 4: Simplify right side
   30,894.91x = 714,043,731.56
5. Step 5: Solve for x
   x = 714,043,731.56/30,894.91
6. Step 6: Final answer
   x = 23,112.02