Finding the Fourth Proportional to 11,408.84, 17,081.72 and 5,850.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,408.84 : 17,081.72 = 5,850.20 : x
2. Step 2: Convert to fraction form
   11,408.84/17,081.72 = 5,850.20/x
3. Step 3: Cross multiply
   11,408.84x = 17,081.72 × 5,850.20
4. Step 4: Simplify right side
   11,408.84x = 99,931,478.34
5. Step 5: Solve for x
   x = 99,931,478.34/11,408.84
6. Step 6: Final answer
   x = 8,759.13