Finding the Fourth Proportional to 17,176.04, 23,697.56 and 9,621.35

Step by Step Solution

1. Step 1: Write the proportion equation
   17,176.04 : 23,697.56 = 9,621.35 : x
2. Step 2: Convert to fraction form
   17,176.04/23,697.56 = 9,621.35/x
3. Step 3: Cross multiply
   17,176.04x = 23,697.56 × 9,621.35
4. Step 4: Simplify right side
   17,176.04x = 228,002,470.80
5. Step 5: Solve for x
   x = 228,002,470.80/17,176.04
6. Step 6: Final answer
   x = 13,274.45