Finding the Fourth Proportional to 1,426.48, 1,969.11 and 929.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.48 : 1,969.11 = 929.54 : x
2. Step 2: Convert to fraction form
   1,426.48/1,969.11 = 929.54/x
3. Step 3: Cross multiply
   1,426.48x = 1,969.11 × 929.54
4. Step 4: Simplify right side
   1,426.48x = 1,830,371.43
5. Step 5: Solve for x
   x = 1,830,371.43/1,426.48
6. Step 6: Final answer
   x = 1,283.14