Finding the Fourth Proportional to 30,874.26, 42,606.30 and 17,445.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,874.26 : 42,606.30 = 17,445.72 : x
2. Step 2: Convert to fraction form
   30,874.26/42,606.30 = 17,445.72/x
3. Step 3: Cross multiply
   30,874.26x = 42,606.30 × 17,445.72
4. Step 4: Simplify right side
   30,874.26x = 743,297,580.04
5. Step 5: Solve for x
   x = 743,297,580.04/30,874.26
6. Step 6: Final answer
   x = 24,074.99