Finding the Fourth Proportional to 17,111.88, 25,668.54 and 5,424.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.88 : 25,668.54 = 5,424.84 : x
2. Step 2: Convert to fraction form
   17,111.88/25,668.54 = 5,424.84/x
3. Step 3: Cross multiply
   17,111.88x = 25,668.54 × 5,424.84
4. Step 4: Simplify right side
   17,111.88x = 139,247,722.53
5. Step 5: Solve for x
   x = 139,247,722.53/17,111.88
6. Step 6: Final answer
   x = 8,137.49