Finding the Fourth Proportional to 8,585.51, 12,762.48 and 8,333.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,585.51 : 12,762.48 = 8,333.27 : x
2. Step 2: Convert to fraction form
   8,585.51/12,762.48 = 8,333.27/x
3. Step 3: Cross multiply
   8,585.51x = 12,762.48 × 8,333.27
4. Step 4: Simplify right side
   8,585.51x = 106,353,127.90
5. Step 5: Solve for x
   x = 106,353,127.90/8,585.51
6. Step 6: Final answer
   x = 12,387.52