Finding the Fourth Proportional to 9,309.32, 12,847.40 and 5,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.32 : 12,847.40 = 5,329.52 : x
2. Step 2: Convert to fraction form
   9,309.32/12,847.40 = 5,329.52/x
3. Step 3: Cross multiply
   9,309.32x = 12,847.40 × 5,329.52
4. Step 4: Simplify right side
   9,309.32x = 68,470,475.25
5. Step 5: Solve for x
   x = 68,470,475.25/9,309.32
6. Step 6: Final answer
   x = 7,355.05