Finding the Fourth Proportional to 8,633.68, 12,933.83 and 7,230.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,633.68 : 12,933.83 = 7,230.35 : x
2. Step 2: Convert to fraction form
   8,633.68/12,933.83 = 7,230.35/x
3. Step 3: Cross multiply
   8,633.68x = 12,933.83 × 7,230.35
4. Step 4: Simplify right side
   8,633.68x = 93,516,168.15
5. Step 5: Solve for x
   x = 93,516,168.15/8,633.68
6. Step 6: Final answer
   x = 10,831.56