Finding the Fourth Proportional to 10,257.97, 14,152.19 and 7,868.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,257.97 : 14,152.19 = 7,868.37 : x
2. Step 2: Convert to fraction form
   10,257.97/14,152.19 = 7,868.37/x
3. Step 3: Cross multiply
   10,257.97x = 14,152.19 × 7,868.37
4. Step 4: Simplify right side
   10,257.97x = 111,354,667.23
5. Step 5: Solve for x
   x = 111,354,667.23/10,257.97
6. Step 6: Final answer
   x = 10,855.43