Finding the Fourth Proportional to 17,143.08, 25,714.32 and 5,456.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,143.08 : 25,714.32 = 5,456.16 : x
2. Step 2: Convert to fraction form
   17,143.08/25,714.32 = 5,456.16/x
3. Step 3: Cross multiply
   17,143.08x = 25,714.32 × 5,456.16
4. Step 4: Simplify right side
   17,143.08x = 140,301,444.21
5. Step 5: Solve for x
   x = 140,301,444.21/17,143.08
6. Step 6: Final answer
   x = 8,184.14