Finding the Fourth Proportional to 17,144.58, 25,714.98 and 5,458.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,144.58 : 25,714.98 = 5,458.71 : x
2. Step 2: Convert to fraction form
   17,144.58/25,714.98 = 5,458.71/x
3. Step 3: Cross multiply
   17,144.58x = 25,714.98 × 5,458.71
4. Step 4: Simplify right side
   17,144.58x = 140,370,618.48
5. Step 5: Solve for x
   x = 140,370,618.48/17,144.58
6. Step 6: Final answer
   x = 8,187.46