Finding the Fourth Proportional to 13,248, 19,881.12 and 5,456.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,248 : 19,881.12 = 5,456.82 : x
2. Step 2: Convert to fraction form
   13,248/19,881.12 = 5,456.82/x
3. Step 3: Cross multiply
   13,248x = 19,881.12 × 5,456.82
4. Step 4: Simplify right side
   13,248x = 108,487,693.24
5. Step 5: Solve for x
   x = 108,487,693.24/13,248
6. Step 6: Final answer
   x = 8,188.99