Finding the Fourth Proportional to 11,993.55, 17,984.72 and 4,093.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,993.55 : 17,984.72 = 4,093.92 : x
2. Step 2: Convert to fraction form
   11,993.55/17,984.72 = 4,093.92/x
3. Step 3: Cross multiply
   11,993.55x = 17,984.72 × 4,093.92
4. Step 4: Simplify right side
   11,993.55x = 73,628,004.90
5. Step 5: Solve for x
   x = 73,628,004.90/11,993.55
6. Step 6: Final answer
   x = 6,138.97