Finding the Fourth Proportional to 30,540.24, 42,144.71 and 17,112.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,540.24 : 42,144.71 = 17,112.33 : x
2. Step 2: Convert to fraction form
   30,540.24/42,144.71 = 17,112.33/x
3. Step 3: Cross multiply
   30,540.24x = 42,144.71 × 17,112.33
4. Step 4: Simplify right side
   30,540.24x = 721,194,099.71
5. Step 5: Solve for x
   x = 721,194,099.71/30,540.24
6. Step 6: Final answer
   x = 23,614.55