Finding the Fourth Proportional to 9,006.94, 12,429.37 and 5,028.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,006.94 : 12,429.37 = 5,028.42 : x
2. Step 2: Convert to fraction form
   9,006.94/12,429.37 = 5,028.42/x
3. Step 3: Cross multiply
   9,006.94x = 12,429.37 × 5,028.42
4. Step 4: Simplify right side
   9,006.94x = 62,500,067.55
5. Step 5: Solve for x
   x = 62,500,067.55/9,006.94
6. Step 6: Final answer
   x = 6,939.10