Finding the Fourth Proportional to 7,417.25, 10,235.81 and 4,105.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,417.25 : 10,235.81 = 4,105.25 : x
2. Step 2: Convert to fraction form
   7,417.25/10,235.81 = 4,105.25/x
3. Step 3: Cross multiply
   7,417.25x = 10,235.81 × 4,105.25
4. Step 4: Simplify right side
   7,417.25x = 42,020,538.48
5. Step 5: Solve for x
   x = 42,020,538.48/7,417.25
6. Step 6: Final answer
   x = 5,665.25