Finding the Fourth Proportional to 12,010.70, 18,016.41 and 3,245.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,010.70 : 18,016.41 = 3,245.69 : x
2. Step 2: Convert to fraction form
   12,010.70/18,016.41 = 3,245.69/x
3. Step 3: Cross multiply
   12,010.70x = 18,016.41 × 3,245.69
4. Step 4: Simplify right side
   12,010.70x = 58,475,681.77
5. Step 5: Solve for x
   x = 58,475,681.77/12,010.70
6. Step 6: Final answer
   x = 4,868.63