Finding the Fourth Proportional to 13,852.40, 19,111.55 and 7,882.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,852.40 : 19,111.55 = 7,882.56 : x
2. Step 2: Convert to fraction form
   13,852.40/19,111.55 = 7,882.56/x
3. Step 3: Cross multiply
   13,852.40x = 19,111.55 × 7,882.56
4. Step 4: Simplify right side
   13,852.40x = 150,647,900.16
5. Step 5: Solve for x
   x = 150,647,900.16/13,852.40
6. Step 6: Final answer
   x = 10,875.22