Finding the Fourth Proportional to 17,178.28, 25,767.34 and 5,491.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,178.28 : 25,767.34 = 5,491.24 : x
2. Step 2: Convert to fraction form
   17,178.28/25,767.34 = 5,491.24/x
3. Step 3: Cross multiply
   17,178.28x = 25,767.34 × 5,491.24
4. Step 4: Simplify right side
   17,178.28x = 141,494,648.10
5. Step 5: Solve for x
   x = 141,494,648.10/17,178.28
6. Step 6: Final answer
   x = 8,236.83