Finding the Fourth Proportional to 13,023.14, 17,974.72 and 8,491.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,023.14 : 17,974.72 = 8,491.48 : x
2. Step 2: Convert to fraction form
   13,023.14/17,974.72 = 8,491.48/x
3. Step 3: Cross multiply
   13,023.14x = 17,974.72 × 8,491.48
4. Step 4: Simplify right side
   13,023.14x = 152,631,975.39
5. Step 5: Solve for x
   x = 152,631,975.39/13,023.14
6. Step 6: Final answer
   x = 11,720.06