Finding the Fourth Proportional to 30,874.58, 42,604.38 and 17,447

Step by Step Solution

1. Step 1: Write the proportion equation
   30,874.58 : 42,604.38 = 17,447 : x
2. Step 2: Convert to fraction form
   30,874.58/42,604.38 = 17,447/x
3. Step 3: Cross multiply
   30,874.58x = 42,604.38 × 17,447
4. Step 4: Simplify right side
   30,874.58x = 743,318,617.86
5. Step 5: Solve for x
   x = 743,318,617.86/30,874.58
6. Step 6: Final answer
   x = 24,075.42