Finding the Fourth Proportional to 9,279.56, 12,806.01 and 5,300.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.56 : 12,806.01 = 5,300.93 : x
2. Step 2: Convert to fraction form
   9,279.56/12,806.01 = 5,300.93/x
3. Step 3: Cross multiply
   9,279.56x = 12,806.01 × 5,300.93
4. Step 4: Simplify right side
   9,279.56x = 67,883,698.56
5. Step 5: Solve for x
   x = 67,883,698.56/9,279.56
6. Step 6: Final answer
   x = 7,315.40