Finding the Fourth Proportional to 17,580.28, 24,231.82 and 12,477.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,580.28 : 24,231.82 = 12,477.56 : x
2. Step 2: Convert to fraction form
   17,580.28/24,231.82 = 12,477.56/x
3. Step 3: Cross multiply
   17,580.28x = 24,231.82 × 12,477.56
4. Step 4: Simplify right side
   17,580.28x = 302,353,987.96
5. Step 5: Solve for x
   x = 302,353,987.96/17,580.28
6. Step 6: Final answer
   x = 17,198.47