Finding the Fourth Proportional to 10,863.82, 14,968.92 and 7,320.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,863.82 : 14,968.92 = 7,320.88 : x
2. Step 2: Convert to fraction form
   10,863.82/14,968.92 = 7,320.88/x
3. Step 3: Cross multiply
   10,863.82x = 14,968.92 × 7,320.88
4. Step 4: Simplify right side
   10,863.82x = 109,585,667.05
5. Step 5: Solve for x
   x = 109,585,667.05/10,863.82
6. Step 6: Final answer
   x = 10,087.21