Finding the Fourth Proportional to 30,729.68, 42,406.49 and 17,300.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,729.68 : 42,406.49 = 17,300.89 : x
2. Step 2: Convert to fraction form
   30,729.68/42,406.49 = 17,300.89/x
3. Step 3: Cross multiply
   30,729.68x = 42,406.49 × 17,300.89
4. Step 4: Simplify right side
   30,729.68x = 733,670,017.72
5. Step 5: Solve for x
   x = 733,670,017.72/30,729.68
6. Step 6: Final answer
   x = 23,874.97