Finding the Fourth Proportional to 8,922.61, 12,326.53 and 5,863.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922.61 : 12,326.53 = 5,863.69 : x
2. Step 2: Convert to fraction form
   8,922.61/12,326.53 = 5,863.69/x
3. Step 3: Cross multiply
   8,922.61x = 12,326.53 × 5,863.69
4. Step 4: Simplify right side
   8,922.61x = 72,278,921.38
5. Step 5: Solve for x
   x = 72,278,921.38/8,922.61
6. Step 6: Final answer
   x = 8,100.65