Finding the Fourth Proportional to 2,426.14, 3,347.89 and 1,378

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.14 : 3,347.89 = 1,378 : x
2. Step 2: Convert to fraction form
   2,426.14/3,347.89 = 1,378/x
3. Step 3: Cross multiply
   2,426.14x = 3,347.89 × 1,378
4. Step 4: Simplify right side
   2,426.14x = 4,613,392.42
5. Step 5: Solve for x
   x = 4,613,392.42/2,426.14
6. Step 6: Final answer
   x = 1,901.54