Finding the Fourth Proportional to 9,382.23, 12,947.49 and 5,133.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,382.23 : 12,947.49 = 5,133.69 : x
2. Step 2: Convert to fraction form
   9,382.23/12,947.49 = 5,133.69/x
3. Step 3: Cross multiply
   9,382.23x = 12,947.49 × 5,133.69
4. Step 4: Simplify right side
   9,382.23x = 66,468,399.94
5. Step 5: Solve for x
   x = 66,468,399.94/9,382.23
6. Step 6: Final answer
   x = 7,084.50