Finding the Fourth Proportional to 9,279.69, 12,806.51 and 5,301.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.69 : 12,806.51 = 5,301.63 : x
2. Step 2: Convert to fraction form
   9,279.69/12,806.51 = 5,301.63/x
3. Step 3: Cross multiply
   9,279.69x = 12,806.51 × 5,301.63
4. Step 4: Simplify right side
   9,279.69x = 67,895,351.10
5. Step 5: Solve for x
   x = 67,895,351.10/9,279.69
6. Step 6: Final answer
   x = 7,316.55