Finding the Fourth Proportional to 1,426.73, 1,969.46 and 929.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.73 : 1,969.46 = 929.79 : x
2. Step 2: Convert to fraction form
   1,426.73/1,969.46 = 929.79/x
3. Step 3: Cross multiply
   1,426.73x = 1,969.46 × 929.79
4. Step 4: Simplify right side
   1,426.73x = 1,831,184.49
5. Step 5: Solve for x
   x = 1,831,184.49/1,426.73
6. Step 6: Final answer
   x = 1,283.49