Finding the Fourth Proportional to 8,323.48, 12,453.88 and 7,878.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.48 : 12,453.88 = 7,878.52 : x
2. Step 2: Convert to fraction form
   8,323.48/12,453.88 = 7,878.52/x
3. Step 3: Cross multiply
   8,323.48x = 12,453.88 × 7,878.52
4. Step 4: Simplify right side
   8,323.48x = 98,118,142.66
5. Step 5: Solve for x
   x = 98,118,142.66/8,323.48
6. Step 6: Final answer
   x = 11,788.12