Finding the Fourth Proportional to 9,067.69, 12,513.40 and 5,088.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,067.69 : 12,513.40 = 5,088.79 : x
2. Step 2: Convert to fraction form
   9,067.69/12,513.40 = 5,088.79/x
3. Step 3: Cross multiply
   9,067.69x = 12,513.40 × 5,088.79
4. Step 4: Simplify right side
   9,067.69x = 63,678,064.79
5. Step 5: Solve for x
   x = 63,678,064.79/9,067.69
6. Step 6: Final answer
   x = 7,022.52