Finding the Fourth Proportional to 9,019.18, 12,446.42 and 5,040.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.18 : 12,446.42 = 5,040.28 : x
2. Step 2: Convert to fraction form
   9,019.18/12,446.42 = 5,040.28/x
3. Step 3: Cross multiply
   9,019.18x = 12,446.42 × 5,040.28
4. Step 4: Simplify right side
   9,019.18x = 62,733,441.80
5. Step 5: Solve for x
   x = 62,733,441.80/9,019.18
6. Step 6: Final answer
   x = 6,955.56