Finding the Fourth Proportional to 9,885.48, 14,797.98 and 7,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885.48 : 14,797.98 = 7,112.04 : x
2. Step 2: Convert to fraction form
   9,885.48/14,797.98 = 7,112.04/x
3. Step 3: Cross multiply
   9,885.48x = 14,797.98 × 7,112.04
4. Step 4: Simplify right side
   9,885.48x = 105,243,825.68
5. Step 5: Solve for x
   x = 105,243,825.68/9,885.48
6. Step 6: Final answer
   x = 10,646.30