Finding the Fourth Proportional to 30,872.93, 42,604.08 and 17,443.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,872.93 : 42,604.08 = 17,443.89 : x
2. Step 2: Convert to fraction form
   30,872.93/42,604.08 = 17,443.89/x
3. Step 3: Cross multiply
   30,872.93x = 42,604.08 × 17,443.89
4. Step 4: Simplify right side
   30,872.93x = 743,181,146.58
5. Step 5: Solve for x
   x = 743,181,146.58/30,872.93
6. Step 6: Final answer
   x = 24,072.26