Finding the Fourth Proportional to 9,018.81, 12,446.01 and 5,040.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.81 : 12,446.01 = 5,040.09 : x
2. Step 2: Convert to fraction form
   9,018.81/12,446.01 = 5,040.09/x
3. Step 3: Cross multiply
   9,018.81x = 12,446.01 × 5,040.09
4. Step 4: Simplify right side
   9,018.81x = 62,729,010.54
5. Step 5: Solve for x
   x = 62,729,010.54/9,018.81
6. Step 6: Final answer
   x = 6,955.35