Finding the Fourth Proportional to 1,426.73, 2,148.50 and 1,246.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.73 : 2,148.50 = 1,246.31 : x
2. Step 2: Convert to fraction form
   1,426.73/2,148.50 = 1,246.31/x
3. Step 3: Cross multiply
   1,426.73x = 2,148.50 × 1,246.31
4. Step 4: Simplify right side
   1,426.73x = 2,677,680.06
5. Step 5: Solve for x
   x = 2,677,680.06/1,426.73
6. Step 6: Final answer
   x = 1,876.79