Finding the Fourth Proportional to 8,759.54, 12,086.52 and 5,223.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,759.54 : 12,086.52 = 5,223.08 : x
2. Step 2: Convert to fraction form
   8,759.54/12,086.52 = 5,223.08/x
3. Step 3: Cross multiply
   8,759.54x = 12,086.52 × 5,223.08
4. Step 4: Simplify right side
   8,759.54x = 63,128,871.51
5. Step 5: Solve for x
   x = 63,128,871.51/8,759.54
6. Step 6: Final answer
   x = 7,206.87