Finding the Fourth Proportional to 8,222.99, 11,348.76 and 5,392.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,222.99 : 11,348.76 = 5,392.73 : x
2. Step 2: Convert to fraction form
   8,222.99/11,348.76 = 5,392.73/x
3. Step 3: Cross multiply
   8,222.99x = 11,348.76 × 5,392.73
4. Step 4: Simplify right side
   8,222.99x = 61,200,741.77
5. Step 5: Solve for x
   x = 61,200,741.77/8,222.99
6. Step 6: Final answer
   x = 7,442.64