Finding the Fourth Proportional to 2,426.10, 3,347.37 and 1,378.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.10 : 3,347.37 = 1,378.14 : x
2. Step 2: Convert to fraction form
   2,426.10/3,347.37 = 1,378.14/x
3. Step 3: Cross multiply
   2,426.10x = 3,347.37 × 1,378.14
4. Step 4: Simplify right side
   2,426.10x = 4,613,144.49
5. Step 5: Solve for x
   x = 4,613,144.49/2,426.10
6. Step 6: Final answer
   x = 1,901.47