Finding the Fourth Proportional to 11,976.05, 17,956.35 and 5,735.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,976.05 : 17,956.35 = 5,735.91 : x
2. Step 2: Convert to fraction form
   11,976.05/17,956.35 = 5,735.91/x
3. Step 3: Cross multiply
   11,976.05x = 17,956.35 × 5,735.91
4. Step 4: Simplify right side
   11,976.05x = 102,996,074.86
5. Step 5: Solve for x
   x = 102,996,074.86/11,976.05
6. Step 6: Final answer
   x = 8,600.17