Finding the Fourth Proportional to 9,175.14, 12,661.56 and 5,086.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.14 : 12,661.56 = 5,086.83 : x
2. Step 2: Convert to fraction form
   9,175.14/12,661.56 = 5,086.83/x
3. Step 3: Cross multiply
   9,175.14x = 12,661.56 × 5,086.83
4. Step 4: Simplify right side
   9,175.14x = 64,407,203.25
5. Step 5: Solve for x
   x = 64,407,203.25/9,175.14
6. Step 6: Final answer
   x = 7,019.75