Finding the Fourth Proportional to 30,908.04, 42,653.07 and 16,760.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,908.04 : 42,653.07 = 16,760.82 : x
2. Step 2: Convert to fraction form
   30,908.04/42,653.07 = 16,760.82/x
3. Step 3: Cross multiply
   30,908.04x = 42,653.07 × 16,760.82
4. Step 4: Simplify right side
   30,908.04x = 714,900,428.72
5. Step 5: Solve for x
   x = 714,900,428.72/30,908.04
6. Step 6: Final answer
   x = 23,129.92