Finding the Fourth Proportional to 17,162.80, 25,739.87 and 5,470.00

Step by Step Solution

1. Step 1: Write the proportion equation
   17,162.80 : 25,739.87 = 5,470.00 : x
2. Step 2: Convert to fraction form
   17,162.80/25,739.87 = 5,470.00/x
3. Step 3: Cross multiply
   17,162.80x = 25,739.87 × 5,470.00
4. Step 4: Simplify right side
   17,162.80x = 140,796,960.20
5. Step 5: Solve for x
   x = 140,796,960.20/17,162.80
6. Step 6: Final answer
   x = 8,203.61