Finding the Fourth Proportional to 8,105.04, 12,156.93 and 2,558.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.04 : 12,156.93 = 2,558.55 : x
2. Step 2: Convert to fraction form
   8,105.04/12,156.93 = 2,558.55/x
3. Step 3: Cross multiply
   8,105.04x = 12,156.93 × 2,558.55
4. Step 4: Simplify right side
   8,105.04x = 31,104,113.25
5. Step 5: Solve for x
   x = 31,104,113.25/8,105.04
6. Step 6: Final answer
   x = 3,837.63