Finding the Fourth Proportional to 1,426.95, 1,968.28 and 923.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.95 : 1,968.28 = 923.46 : x
2. Step 2: Convert to fraction form
   1,426.95/1,968.28 = 923.46/x
3. Step 3: Cross multiply
   1,426.95x = 1,968.28 × 923.46
4. Step 4: Simplify right side
   1,426.95x = 1,817,627.85
5. Step 5: Solve for x
   x = 1,817,627.85/1,426.95
6. Step 6: Final answer
   x = 1,273.79