Finding the Fourth Proportional to 2,425.38, 3,346.74 and 1,377.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.38 : 3,346.74 = 1,377.42 : x
2. Step 2: Convert to fraction form
   2,425.38/3,346.74 = 1,377.42/x
3. Step 3: Cross multiply
   2,425.38x = 3,346.74 × 1,377.42
4. Step 4: Simplify right side
   2,425.38x = 4,609,866.61
5. Step 5: Solve for x
   x = 4,609,866.61/2,425.38
6. Step 6: Final answer
   x = 1,900.68