Finding the Fourth Proportional to 7,568.34, 11,345.20 and 3,872.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,568.34 : 11,345.20 = 3,872.31 : x
2. Step 2: Convert to fraction form
   7,568.34/11,345.20 = 3,872.31/x
3. Step 3: Cross multiply
   7,568.34x = 11,345.20 × 3,872.31
4. Step 4: Simplify right side
   7,568.34x = 43,932,131.41
5. Step 5: Solve for x
   x = 43,932,131.41/7,568.34
6. Step 6: Final answer
   x = 5,804.72