Finding the Fourth Proportional to 8,105.47, 12,158.64 and 2,559.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.47 : 12,158.64 = 2,559.23 : x
2. Step 2: Convert to fraction form
   8,105.47/12,158.64 = 2,559.23/x
3. Step 3: Cross multiply
   8,105.47x = 12,158.64 × 2,559.23
4. Step 4: Simplify right side
   8,105.47x = 31,116,741.05
5. Step 5: Solve for x
   x = 31,116,741.05/8,105.47
6. Step 6: Final answer
   x = 3,838.98