Finding the Fourth Proportional to 17,078.22, 25,615.98 and 5,391.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,078.22 : 25,615.98 = 5,391.54 : x
2. Step 2: Convert to fraction form
   17,078.22/25,615.98 = 5,391.54/x
3. Step 3: Cross multiply
   17,078.22x = 25,615.98 × 5,391.54
4. Step 4: Simplify right side
   17,078.22x = 138,109,580.81
5. Step 5: Solve for x
   x = 138,109,580.81/17,078.22
6. Step 6: Final answer
   x = 8,086.88