Finding the Fourth Proportional to 1,426.10, 1,966.43 and 927.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.10 : 1,966.43 = 927.95 : x
2. Step 2: Convert to fraction form
   1,426.10/1,966.43 = 927.95/x
3. Step 3: Cross multiply
   1,426.10x = 1,966.43 × 927.95
4. Step 4: Simplify right side
   1,426.10x = 1,824,734.25
5. Step 5: Solve for x
   x = 1,824,734.25/1,426.10
6. Step 6: Final answer
   x = 1,279.53