Finding the Fourth Proportional to 9,007.49, 12,430.22 and 5,028.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.49 : 12,430.22 = 5,028.67 : x
2. Step 2: Convert to fraction form
   9,007.49/12,430.22 = 5,028.67/x
3. Step 3: Cross multiply
   9,007.49x = 12,430.22 × 5,028.67
4. Step 4: Simplify right side
   9,007.49x = 62,507,474.41
5. Step 5: Solve for x
   x = 62,507,474.41/9,007.49
6. Step 6: Final answer
   x = 6,939.50