Finding the Fourth Proportional to 8,760.56, 13,141.56 and 2,520.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,760.56 : 13,141.56 = 2,520.56 : x
2. Step 2: Convert to fraction form
   8,760.56/13,141.56 = 2,520.56/x
3. Step 3: Cross multiply
   8,760.56x = 13,141.56 × 2,520.56
4. Step 4: Simplify right side
   8,760.56x = 33,124,090.47
5. Step 5: Solve for x
   x = 33,124,090.47/8,760.56
6. Step 6: Final answer
   x = 3,781.05