Finding the Fourth Proportional to 9,222.86, 12,726.41 and 5,818.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222.86 : 12,726.41 = 5,818.58 : x
2. Step 2: Convert to fraction form
   9,222.86/12,726.41 = 5,818.58/x
3. Step 3: Cross multiply
   9,222.86x = 12,726.41 × 5,818.58
4. Step 4: Simplify right side
   9,222.86x = 74,049,650.80
5. Step 5: Solve for x
   x = 74,049,650.80/9,222.86
6. Step 6: Final answer
   x = 8,028.93