Finding the Fourth Proportional to 9,007.07, 12,428.69 and 5,028.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.07 : 12,428.69 = 5,028.03 : x
2. Step 2: Convert to fraction form
   9,007.07/12,428.69 = 5,028.03/x
3. Step 3: Cross multiply
   9,007.07x = 12,428.69 × 5,028.03
4. Step 4: Simplify right side
   9,007.07x = 62,491,801.04
5. Step 5: Solve for x
   x = 62,491,801.04/9,007.07
6. Step 6: Final answer
   x = 6,938.09