Finding the Fourth Proportional to 1,426.35, 1,969.72 and 1,348.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.35 : 1,969.72 = 1,348.70 : x
2. Step 2: Convert to fraction form
   1,426.35/1,969.72 = 1,348.70/x
3. Step 3: Cross multiply
   1,426.35x = 1,969.72 × 1,348.70
4. Step 4: Simplify right side
   1,426.35x = 2,656,551.52
5. Step 5: Solve for x
   x = 2,656,551.52/1,426.35
6. Step 6: Final answer
   x = 1,862.48