Finding the Fourth Proportional to 8,100.80, 12,150.30 and 2,554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.80 : 12,150.30 = 2,554.16 : x
2. Step 2: Convert to fraction form
   8,100.80/12,150.30 = 2,554.16/x
3. Step 3: Cross multiply
   8,100.80x = 12,150.30 × 2,554.16
4. Step 4: Simplify right side
   8,100.80x = 31,033,810.25
5. Step 5: Solve for x
   x = 31,033,810.25/8,100.80
6. Step 6: Final answer
   x = 3,830.96