Finding the Fourth Proportional to 2,472.38, 3,412.23 and 1,424.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.38 : 3,412.23 = 1,424.42 : x
2. Step 2: Convert to fraction form
   2,472.38/3,412.23 = 1,424.42/x
3. Step 3: Cross multiply
   2,472.38x = 3,412.23 × 1,424.42
4. Step 4: Simplify right side
   2,472.38x = 4,860,448.66
5. Step 5: Solve for x
   x = 4,860,448.66/2,472.38
6. Step 6: Final answer
   x = 1,965.90