Finding the Fourth Proportional to 30,743.98, 42,427.25 and 18,004.70

Step by Step Solution

1. Step 1: Write the proportion equation
   30,743.98 : 42,427.25 = 18,004.70 : x
2. Step 2: Convert to fraction form
   30,743.98/42,427.25 = 18,004.70/x
3. Step 3: Cross multiply
   30,743.98x = 42,427.25 × 18,004.70
4. Step 4: Simplify right side
   30,743.98x = 763,890,059.15
5. Step 5: Solve for x
   x = 763,890,059.15/30,743.98
6. Step 6: Final answer
   x = 24,846.82