Finding the Fourth Proportional to 11,976.56, 17,969.16 and 4,186.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,976.56 : 17,969.16 = 4,186.52 : x
2. Step 2: Convert to fraction form
   11,976.56/17,969.16 = 4,186.52/x
3. Step 3: Cross multiply
   11,976.56x = 17,969.16 × 4,186.52
4. Step 4: Simplify right side
   11,976.56x = 75,228,247.72
5. Step 5: Solve for x
   x = 75,228,247.72/11,976.56
6. Step 6: Final answer
   x = 6,281.29