Finding the Fourth Proportional to 11,185.12, 16,758.24 and 5,981.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,185.12 : 16,758.24 = 5,981.68 : x
2. Step 2: Convert to fraction form
   11,185.12/16,758.24 = 5,981.68/x
3. Step 3: Cross multiply
   11,185.12x = 16,758.24 × 5,981.68
4. Step 4: Simplify right side
   11,185.12x = 100,242,429.04
5. Step 5: Solve for x
   x = 100,242,429.04/11,185.12
6. Step 6: Final answer
   x = 8,962.12