Finding the Fourth Proportional to 30,904.60, 42,648.42 and 16,757.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,904.60 : 42,648.42 = 16,757.38 : x
2. Step 2: Convert to fraction form
   30,904.60/42,648.42 = 16,757.38/x
3. Step 3: Cross multiply
   30,904.60x = 42,648.42 × 16,757.38
4. Step 4: Simplify right side
   30,904.60x = 714,675,780.34
5. Step 5: Solve for x
   x = 714,675,780.34/30,904.60
6. Step 6: Final answer
   x = 23,125.22