Finding the Fourth Proportional to 30,826.59, 42,540.84 and 17,398.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,826.59 : 42,540.84 = 17,398.41 : x
2. Step 2: Convert to fraction form
   30,826.59/42,540.84 = 17,398.41/x
3. Step 3: Cross multiply
   30,826.59x = 42,540.84 × 17,398.41
4. Step 4: Simplify right side
   30,826.59x = 740,142,976.06
5. Step 5: Solve for x
   x = 740,142,976.06/30,826.59
6. Step 6: Final answer
   x = 24,009.89