Finding the Fourth Proportional to 8,100.98, 12,153.09 and 2,555.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.98 : 12,153.09 = 2,555.18 : x
2. Step 2: Convert to fraction form
   8,100.98/12,153.09 = 2,555.18/x
3. Step 3: Cross multiply
   8,100.98x = 12,153.09 × 2,555.18
4. Step 4: Simplify right side
   8,100.98x = 31,053,332.51
5. Step 5: Solve for x
   x = 31,053,332.51/8,100.98
6. Step 6: Final answer
   x = 3,833.28