Finding the Fourth Proportional to 9,309.47, 12,846.72 and 5,330.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.47 : 12,846.72 = 5,330.96 : x
2. Step 2: Convert to fraction form
   9,309.47/12,846.72 = 5,330.96/x
3. Step 3: Cross multiply
   9,309.47x = 12,846.72 × 5,330.96
4. Step 4: Simplify right side
   9,309.47x = 68,485,259.56
5. Step 5: Solve for x
   x = 68,485,259.56/9,309.47
6. Step 6: Final answer
   x = 7,356.52