Finding the Fourth Proportional to 9,019.49, 12,447.48 and 5,040.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.49 : 12,447.48 = 5,040.77 : x
2. Step 2: Convert to fraction form
   9,019.49/12,447.48 = 5,040.77/x
3. Step 3: Cross multiply
   9,019.49x = 12,447.48 × 5,040.77
4. Step 4: Simplify right side
   9,019.49x = 62,744,883.76
5. Step 5: Solve for x
   x = 62,744,883.76/9,019.49
6. Step 6: Final answer
   x = 6,956.59