Finding the Fourth Proportional to 30,969.58, 42,738.48 and 17,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,969.58 : 42,738.48 = 17,540.50 : x
2. Step 2: Convert to fraction form
   30,969.58/42,738.48 = 17,540.50/x
3. Step 3: Cross multiply
   30,969.58x = 42,738.48 × 17,540.50
4. Step 4: Simplify right side
   30,969.58x = 749,654,308.44
5. Step 5: Solve for x
   x = 749,654,308.44/30,969.58
6. Step 6: Final answer
   x = 24,206.15