Finding the Fourth Proportional to 11,408.80, 17,100.85 and 4,839.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,408.80 : 17,100.85 = 4,839.57 : x
2. Step 2: Convert to fraction form
   11,408.80/17,100.85 = 4,839.57/x
3. Step 3: Cross multiply
   11,408.80x = 17,100.85 × 4,839.57
4. Step 4: Simplify right side
   11,408.80x = 82,760,760.63
5. Step 5: Solve for x
   x = 82,760,760.63/11,408.80
6. Step 6: Final answer
   x = 7,254.12