Finding the Fourth Proportional to 8,100.60, 12,146.49 and 2,551.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.60 : 12,146.49 = 2,551.56 : x
2. Step 2: Convert to fraction form
   8,100.60/12,146.49 = 2,551.56/x
3. Step 3: Cross multiply
   8,100.60x = 12,146.49 × 2,551.56
4. Step 4: Simplify right side
   8,100.60x = 30,992,498.02
5. Step 5: Solve for x
   x = 30,992,498.02/8,100.60
6. Step 6: Final answer
   x = 3,825.95