Finding the Fourth Proportional to 9,065.39, 12,510.18 and 5,086.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,065.39 : 12,510.18 = 5,086.49 : x
2. Step 2: Convert to fraction form
   9,065.39/12,510.18 = 5,086.49/x
3. Step 3: Cross multiply
   9,065.39x = 12,510.18 × 5,086.49
4. Step 4: Simplify right side
   9,065.39x = 63,632,842.92
5. Step 5: Solve for x
   x = 63,632,842.92/9,065.39
6. Step 6: Final answer
   x = 7,019.32