Finding the Fourth Proportional to 8,783.82, 13,164.12 and 5,262.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,783.82 : 13,164.12 = 5,262.48 : x
2. Step 2: Convert to fraction form
   8,783.82/13,164.12 = 5,262.48/x
3. Step 3: Cross multiply
   8,783.82x = 13,164.12 × 5,262.48
4. Step 4: Simplify right side
   8,783.82x = 69,275,918.22
5. Step 5: Solve for x
   x = 69,275,918.22/8,783.82
6. Step 6: Final answer
   x = 7,886.76