Finding the Fourth Proportional to 11,845.76, 17,767.86 and 4,449.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,845.76 : 17,767.86 = 4,449.57 : x
2. Step 2: Convert to fraction form
   11,845.76/17,767.86 = 4,449.57/x
3. Step 3: Cross multiply
   11,845.76x = 17,767.86 × 4,449.57
4. Step 4: Simplify right side
   11,845.76x = 79,059,336.82
5. Step 5: Solve for x
   x = 79,059,336.82/11,845.76
6. Step 6: Final answer
   x = 6,674.06