Finding the Fourth Proportional to 9,710.48, 14,553.28 and 8,455.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.48 : 14,553.28 = 8,455.92 : x
2. Step 2: Convert to fraction form
   9,710.48/14,553.28 = 8,455.92/x
3. Step 3: Cross multiply
   9,710.48x = 14,553.28 × 8,455.92
4. Step 4: Simplify right side
   9,710.48x = 123,061,371.42
5. Step 5: Solve for x
   x = 123,061,371.42/9,710.48
6. Step 6: Final answer
   x = 12,673.05