Finding the Fourth Proportional to 13,911.32, 19,196.42 and 8,244.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,911.32 : 19,196.42 = 8,244.56 : x
2. Step 2: Convert to fraction form
   13,911.32/19,196.42 = 8,244.56/x
3. Step 3: Cross multiply
   13,911.32x = 19,196.42 × 8,244.56
4. Step 4: Simplify right side
   13,911.32x = 158,266,036.48
5. Step 5: Solve for x
   x = 158,266,036.48/13,911.32
6. Step 6: Final answer
   x = 11,376.78