Finding the Fourth Proportional to 8,856.09, 12,221.37 and 5,079.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,856.09 : 12,221.37 = 5,079.27 : x
2. Step 2: Convert to fraction form
   8,856.09/12,221.37 = 5,079.27/x
3. Step 3: Cross multiply
   8,856.09x = 12,221.37 × 5,079.27
4. Step 4: Simplify right side
   8,856.09x = 62,075,638.00
5. Step 5: Solve for x
   x = 62,075,638.00/8,856.09
6. Step 6: Final answer
   x = 7,009.37