Finding the Fourth Proportional to 7,422.58, 10,243.15 and 4,065.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,422.58 : 10,243.15 = 4,065.38 : x
2. Step 2: Convert to fraction form
   7,422.58/10,243.15 = 4,065.38/x
3. Step 3: Cross multiply
   7,422.58x = 10,243.15 × 4,065.38
4. Step 4: Simplify right side
   7,422.58x = 41,642,297.15
5. Step 5: Solve for x
   x = 41,642,297.15/7,422.58
6. Step 6: Final answer
   x = 5,610.22