Finding the Fourth Proportional to 9,882.72, 14,823.96 and 7,127.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,882.72 : 14,823.96 = 7,127.04 : x
2. Step 2: Convert to fraction form
   9,882.72/14,823.96 = 7,127.04/x
3. Step 3: Cross multiply
   9,882.72x = 14,823.96 × 7,127.04
4. Step 4: Simplify right side
   9,882.72x = 105,650,955.88
5. Step 5: Solve for x
   x = 105,650,955.88/9,882.72
6. Step 6: Final answer
   x = 10,690.47