Finding the Fourth Proportional to 12,754.56, 19,133.16 and 3,520.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,754.56 : 19,133.16 = 3,520.56 : x
2. Step 2: Convert to fraction form
   12,754.56/19,133.16 = 3,520.56/x
3. Step 3: Cross multiply
   12,754.56x = 19,133.16 × 3,520.56
4. Step 4: Simplify right side
   12,754.56x = 67,359,437.77
5. Step 5: Solve for x
   x = 67,359,437.77/12,754.56
6. Step 6: Final answer
   x = 5,281.20