Finding the Fourth Proportional to 1,426.56, 1,970.00 and 1,348.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.56 : 1,970.00 = 1,348.90 : x
2. Step 2: Convert to fraction form
   1,426.56/1,970.00 = 1,348.90/x
3. Step 3: Cross multiply
   1,426.56x = 1,970.00 × 1,348.90
4. Step 4: Simplify right side
   1,426.56x = 2,657,333.78
5. Step 5: Solve for x
   x = 2,657,333.78/1,426.56
6. Step 6: Final answer
   x = 1,862.76