Finding the Fourth Proportional to 9,412.81, 14,121.49 and 2,838.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,412.81 : 14,121.49 = 2,838.59 : x
2. Step 2: Convert to fraction form
   9,412.81/14,121.49 = 2,838.59/x
3. Step 3: Cross multiply
   9,412.81x = 14,121.49 × 2,838.59
4. Step 4: Simplify right side
   9,412.81x = 40,085,180.31
5. Step 5: Solve for x
   x = 40,085,180.31/9,412.81
6. Step 6: Final answer
   x = 4,258.58