Finding the Fourth Proportional to 9,019.34, 12,446.23 and 5,039.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.34 : 12,446.23 = 5,039.68 : x
2. Step 2: Convert to fraction form
   9,019.34/12,446.23 = 5,039.68/x
3. Step 3: Cross multiply
   9,019.34x = 12,446.23 × 5,039.68
4. Step 4: Simplify right side
   9,019.34x = 62,724,928.98
5. Step 5: Solve for x
   x = 62,724,928.98/9,019.34
6. Step 6: Final answer
   x = 6,954.49