Finding the Fourth Proportional to 9,154.68, 12,628.82 and 5,791.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,154.68 : 12,628.82 = 5,791.83 : x
2. Step 2: Convert to fraction form
   9,154.68/12,628.82 = 5,791.83/x
3. Step 3: Cross multiply
   9,154.68x = 12,628.82 × 5,791.83
4. Step 4: Simplify right side
   9,154.68x = 73,143,949.58
5. Step 5: Solve for x
   x = 73,143,949.58/9,154.68
6. Step 6: Final answer
   x = 7,989.79