Finding the Fourth Proportional to 30,904.21, 42,647.83 and 16,757.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,904.21 : 42,647.83 = 16,757.06 : x
2. Step 2: Convert to fraction form
   30,904.21/42,647.83 = 16,757.06/x
3. Step 3: Cross multiply
   30,904.21x = 42,647.83 × 16,757.06
4. Step 4: Simplify right side
   30,904.21x = 714,651,991.05
5. Step 5: Solve for x
   x = 714,651,991.05/30,904.21
6. Step 6: Final answer
   x = 23,124.75