Finding the Fourth Proportional to 9,618.44, 13,273.46 and 5,426.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.44 : 13,273.46 = 5,426.69 : x
2. Step 2: Convert to fraction form
   9,618.44/13,273.46 = 5,426.69/x
3. Step 3: Cross multiply
   9,618.44x = 13,273.46 × 5,426.69
4. Step 4: Simplify right side
   9,618.44x = 72,030,952.65
5. Step 5: Solve for x
   x = 72,030,952.65/9,618.44
6. Step 6: Final answer
   x = 7,488.84