Finding the Fourth Proportional to 13,284.72, 19,936.08 and 5,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,284.72 : 19,936.08 = 5,493.48 : x
2. Step 2: Convert to fraction form
   13,284.72/19,936.08 = 5,493.48/x
3. Step 3: Cross multiply
   13,284.72x = 19,936.08 × 5,493.48
4. Step 4: Simplify right side
   13,284.72x = 109,518,456.76
5. Step 5: Solve for x
   x = 109,518,456.76/13,284.72
6. Step 6: Final answer
   x = 8,243.94