Finding the Fourth Proportional to 9,064.77, 12,509.61 and 5,086.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.77 : 12,509.61 = 5,086.17 : x
2. Step 2: Convert to fraction form
   9,064.77/12,509.61 = 5,086.17/x
3. Step 3: Cross multiply
   9,064.77x = 12,509.61 × 5,086.17
4. Step 4: Simplify right side
   9,064.77x = 63,626,003.09
5. Step 5: Solve for x
   x = 63,626,003.09/9,064.77
6. Step 6: Final answer
   x = 7,019.04