Finding the Fourth Proportional to 7,424.25, 10,245.47 and 4,112.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,424.25 : 10,245.47 = 4,112.25 : x
2. Step 2: Convert to fraction form
   7,424.25/10,245.47 = 4,112.25/x
3. Step 3: Cross multiply
   7,424.25x = 10,245.47 × 4,112.25
4. Step 4: Simplify right side
   7,424.25x = 42,131,913.45
5. Step 5: Solve for x
   x = 42,131,913.45/7,424.25
6. Step 6: Final answer
   x = 5,674.91