Finding the Fourth Proportional to 11,412.42, 17,119.89 and 4,839.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,412.42 : 17,119.89 = 4,839.18 : x
2. Step 2: Convert to fraction form
   11,412.42/17,119.89 = 4,839.18/x
3. Step 3: Cross multiply
   11,412.42x = 17,119.89 × 4,839.18
4. Step 4: Simplify right side
   11,412.42x = 82,846,229.29
5. Step 5: Solve for x
   x = 82,846,229.29/11,412.42
6. Step 6: Final answer
   x = 7,259.30