Finding the Fourth Proportional to 30,904.77, 42,648.61 and 16,757.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,904.77 : 42,648.61 = 16,757.62 : x
2. Step 2: Convert to fraction form
   30,904.77/42,648.61 = 16,757.62/x
3. Step 3: Cross multiply
   30,904.77x = 42,648.61 × 16,757.62
4. Step 4: Simplify right side
   30,904.77x = 714,689,051.39
5. Step 5: Solve for x
   x = 714,689,051.39/30,904.77
6. Step 6: Final answer
   x = 23,125.53