Finding the Fourth Proportional to 12,288.19, 16,952.89 and 7,564.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,288.19 : 16,952.89 = 7,564.27 : x
2. Step 2: Convert to fraction form
   12,288.19/16,952.89 = 7,564.27/x
3. Step 3: Cross multiply
   12,288.19x = 16,952.89 × 7,564.27
4. Step 4: Simplify right side
   12,288.19x = 128,236,157.04
5. Step 5: Solve for x
   x = 128,236,157.04/12,288.19
6. Step 6: Final answer
   x = 10,435.73