Finding the Fourth Proportional to 30,949.58, 42,706.90 and 17,338.16

Step by Step Solution

1. Step 1: Write the proportion equation
   30,949.58 : 42,706.90 = 17,338.16 : x
2. Step 2: Convert to fraction form
   30,949.58/42,706.90 = 17,338.16/x
3. Step 3: Cross multiply
   30,949.58x = 42,706.90 × 17,338.16
4. Step 4: Simplify right side
   30,949.58x = 740,459,065.30
5. Step 5: Solve for x
   x = 740,459,065.30/30,949.58
6. Step 6: Final answer
   x = 23,924.69