Finding the Fourth Proportional to 17,316.47, 25,976.57 and 5,470.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,316.47 : 25,976.57 = 5,470.55 : x
2. Step 2: Convert to fraction form
   17,316.47/25,976.57 = 5,470.55/x
3. Step 3: Cross multiply
   17,316.47x = 25,976.57 × 5,470.55
4. Step 4: Simplify right side
   17,316.47x = 142,105,967.78
5. Step 5: Solve for x
   x = 142,105,967.78/17,316.47
6. Step 6: Final answer
   x = 8,206.41