Finding the Fourth Proportional to 9,065.30, 13,571.73 and 5,305.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,065.30 : 13,571.73 = 5,305.68 : x
2. Step 2: Convert to fraction form
   9,065.30/13,571.73 = 5,305.68/x
3. Step 3: Cross multiply
   9,065.30x = 13,571.73 × 5,305.68
4. Step 4: Simplify right side
   9,065.30x = 72,007,256.43
5. Step 5: Solve for x
   x = 72,007,256.43/9,065.30
6. Step 6: Final answer
   x = 7,943.18