Finding the Fourth Proportional to 12,287.94, 16,952.54 and 7,564.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,287.94 : 16,952.54 = 7,564.02 : x
2. Step 2: Convert to fraction form
   12,287.94/16,952.54 = 7,564.02/x
3. Step 3: Cross multiply
   12,287.94x = 16,952.54 × 7,564.02
4. Step 4: Simplify right side
   12,287.94x = 128,229,292.77
5. Step 5: Solve for x
   x = 128,229,292.77/12,287.94
6. Step 6: Final answer
   x = 10,435.38