Finding the Fourth Proportional to 8,568.34, 11,824.56 and 4,791.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,568.34 : 11,824.56 = 4,791.40 : x
2. Step 2: Convert to fraction form
   8,568.34/11,824.56 = 4,791.40/x
3. Step 3: Cross multiply
   8,568.34x = 11,824.56 × 4,791.40
4. Step 4: Simplify right side
   8,568.34x = 56,656,196.78
5. Step 5: Solve for x
   x = 56,656,196.78/8,568.34
6. Step 6: Final answer
   x = 6,612.27