Finding the Fourth Proportional to 8,762.12, 12,091.57 and 4,783.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,762.12 : 12,091.57 = 4,783.27 : x
2. Step 2: Convert to fraction form
   8,762.12/12,091.57 = 4,783.27/x
3. Step 3: Cross multiply
   8,762.12x = 12,091.57 × 4,783.27
4. Step 4: Simplify right side
   8,762.12x = 57,837,166.78
5. Step 5: Solve for x
   x = 57,837,166.78/8,762.12
6. Step 6: Final answer
   x = 6,600.82