Finding the Fourth Proportional to 2,426.69, 3,348.83 and 1,378.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.69 : 3,348.83 = 1,378.75 : x
2. Step 2: Convert to fraction form
   2,426.69/3,348.83 = 1,378.75/x
3. Step 3: Cross multiply
   2,426.69x = 3,348.83 × 1,378.75
4. Step 4: Simplify right side
   2,426.69x = 4,617,199.36
5. Step 5: Solve for x
   x = 4,617,199.36/2,426.69
6. Step 6: Final answer
   x = 1,902.67