Finding the Fourth Proportional to 10,391.92, 14,322.31 and 7,868.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.92 : 14,322.31 = 7,868.00 : x
2. Step 2: Convert to fraction form
   10,391.92/14,322.31 = 7,868.00/x
3. Step 3: Cross multiply
   10,391.92x = 14,322.31 × 7,868.00
4. Step 4: Simplify right side
   10,391.92x = 112,687,951.22
5. Step 5: Solve for x
   x = 112,687,951.22/10,391.92
6. Step 6: Final answer
   x = 10,843.81