Finding the Fourth Proportional to 2,426.82, 3,349.04 and 1,378.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.82 : 3,349.04 = 1,378.89 : x
2. Step 2: Convert to fraction form
   2,426.82/3,349.04 = 1,378.89/x
3. Step 3: Cross multiply
   2,426.82x = 3,349.04 × 1,378.89
4. Step 4: Simplify right side
   2,426.82x = 4,617,950.87
5. Step 5: Solve for x
   x = 4,617,950.87/2,426.82
6. Step 6: Final answer
   x = 1,902.88