Finding the Fourth Proportional to 30,758.83, 42,447.31 and 17,330.29

Step by Step Solution

1. Step 1: Write the proportion equation
   30,758.83 : 42,447.31 = 17,330.29 : x
2. Step 2: Convert to fraction form
   30,758.83/42,447.31 = 17,330.29/x
3. Step 3: Cross multiply
   30,758.83x = 42,447.31 × 17,330.29
4. Step 4: Simplify right side
   30,758.83x = 735,624,042.58
5. Step 5: Solve for x
   x = 735,624,042.58/30,758.83
6. Step 6: Final answer
   x = 23,915.87