Finding the Fourth Proportional to 13,196.84, 19,709.54 and 11,447.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.84 : 19,709.54 = 11,447.24 : x
2. Step 2: Convert to fraction form
   13,196.84/19,709.54 = 11,447.24/x
3. Step 3: Cross multiply
   13,196.84x = 19,709.54 × 11,447.24
4. Step 4: Simplify right side
   13,196.84x = 225,619,834.67
5. Step 5: Solve for x
   x = 225,619,834.67/13,196.84
6. Step 6: Final answer
   x = 17,096.50