Finding the Fourth Proportional to 30,734.91, 42,418.22 and 17,308.79

Step by Step Solution

1. Step 1: Write the proportion equation
   30,734.91 : 42,418.22 = 17,308.79 : x
2. Step 2: Convert to fraction form
   30,734.91/42,418.22 = 17,308.79/x
3. Step 3: Cross multiply
   30,734.91x = 42,418.22 × 17,308.79
4. Step 4: Simplify right side
   30,734.91x = 734,207,922.59
5. Step 5: Solve for x
   x = 734,207,922.59/30,734.91
6. Step 6: Final answer
   x = 23,888.40