Finding the Fourth Proportional to 8,907.52, 12,288.24 and 5,764.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,907.52 : 12,288.24 = 5,764.72 : x
2. Step 2: Convert to fraction form
   8,907.52/12,288.24 = 5,764.72/x
3. Step 3: Cross multiply
   8,907.52x = 12,288.24 × 5,764.72
4. Step 4: Simplify right side
   8,907.52x = 70,838,262.89
5. Step 5: Solve for x
   x = 70,838,262.89/8,907.52
6. Step 6: Final answer
   x = 7,952.64