Finding the Fourth Proportional to 17,118.25, 25,680.20 and 5,434.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,118.25 : 25,680.20 = 5,434.27 : x
2. Step 2: Convert to fraction form
   17,118.25/25,680.20 = 5,434.27/x
3. Step 3: Cross multiply
   17,118.25x = 25,680.20 × 5,434.27
4. Step 4: Simplify right side
   17,118.25x = 139,553,140.45
5. Step 5: Solve for x
   x = 139,553,140.45/17,118.25
6. Step 6: Final answer
   x = 8,152.30