Finding the Fourth Proportional to 8,329.97, 12,488.71 and 5,042.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,329.97 : 12,488.71 = 5,042.27 : x
2. Step 2: Convert to fraction form
   8,329.97/12,488.71 = 5,042.27/x
3. Step 3: Cross multiply
   8,329.97x = 12,488.71 × 5,042.27
4. Step 4: Simplify right side
   8,329.97x = 62,971,372.72
5. Step 5: Solve for x
   x = 62,971,372.72/8,329.97
6. Step 6: Final answer
   x = 7,559.62