Finding the Fourth Proportional to 9,007.98, 12,431.51 and 5,029.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.98 : 12,431.51 = 5,029.12 : x
2. Step 2: Convert to fraction form
   9,007.98/12,431.51 = 5,029.12/x
3. Step 3: Cross multiply
   9,007.98x = 12,431.51 × 5,029.12
4. Step 4: Simplify right side
   9,007.98x = 62,519,555.57
5. Step 5: Solve for x
   x = 62,519,555.57/9,007.98
6. Step 6: Final answer
   x = 6,940.46