Finding the Fourth Proportional to 8,100.33, 12,150.56 and 2,256.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.33 : 12,150.56 = 2,256.99 : x
2. Step 2: Convert to fraction form
   8,100.33/12,150.56 = 2,256.99/x
3. Step 3: Cross multiply
   8,100.33x = 12,150.56 × 2,256.99
4. Step 4: Simplify right side
   8,100.33x = 27,423,692.41
5. Step 5: Solve for x
   x = 27,423,692.41/8,100.33
6. Step 6: Final answer
   x = 3,385.50