Finding the Fourth Proportional to 12,744.78, 19,111.22 and 4,848.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,744.78 : 19,111.22 = 4,848.76 : x
2. Step 2: Convert to fraction form
   12,744.78/19,111.22 = 4,848.76/x
3. Step 3: Cross multiply
   12,744.78x = 19,111.22 × 4,848.76
4. Step 4: Simplify right side
   12,744.78x = 92,665,736.92
5. Step 5: Solve for x
   x = 92,665,736.92/12,744.78
6. Step 6: Final answer
   x = 7,270.88