Finding the Fourth Proportional to 8,300.52, 12,453.48 and 6,453.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.52 : 12,453.48 = 6,453.72 : x
2. Step 2: Convert to fraction form
   8,300.52/12,453.48 = 6,453.72/x
3. Step 3: Cross multiply
   8,300.52x = 12,453.48 × 6,453.72
4. Step 4: Simplify right side
   8,300.52x = 80,371,272.95
5. Step 5: Solve for x
   x = 80,371,272.95/8,300.52
6. Step 6: Final answer
   x = 9,682.68