Finding the Fourth Proportional to 9,279.26, 12,804.89 and 5,299.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.26 : 12,804.89 = 5,299.83 : x
2. Step 2: Convert to fraction form
   9,279.26/12,804.89 = 5,299.83/x
3. Step 3: Cross multiply
   9,279.26x = 12,804.89 × 5,299.83
4. Step 4: Simplify right side
   9,279.26x = 67,863,713.67
5. Step 5: Solve for x
   x = 67,863,713.67/9,279.26
6. Step 6: Final answer
   x = 7,313.48