Finding the Fourth Proportional to 9,018.88, 12,447.23 and 5,040.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.88 : 12,447.23 = 5,040.82 : x
2. Step 2: Convert to fraction form
   9,018.88/12,447.23 = 5,040.82/x
3. Step 3: Cross multiply
   9,018.88x = 12,447.23 × 5,040.82
4. Step 4: Simplify right side
   9,018.88x = 62,744,258.53
5. Step 5: Solve for x
   x = 62,744,258.53/9,018.88
6. Step 6: Final answer
   x = 6,956.99