Finding the Fourth Proportional to 9,067.78, 12,513.74 and 5,089.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,067.78 : 12,513.74 = 5,089.18 : x
2. Step 2: Convert to fraction form
   9,067.78/12,513.74 = 5,089.18/x
3. Step 3: Cross multiply
   9,067.78x = 12,513.74 × 5,089.18
4. Step 4: Simplify right side
   9,067.78x = 63,684,675.33
5. Step 5: Solve for x
   x = 63,684,675.33/9,067.78
6. Step 6: Final answer
   x = 7,023.18