Finding the Fourth Proportional to 1,359.27, 1,875.96 and 769.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.27 : 1,875.96 = 769.79 : x
2. Step 2: Convert to fraction form
   1,359.27/1,875.96 = 769.79/x
3. Step 3: Cross multiply
   1,359.27x = 1,875.96 × 769.79
4. Step 4: Simplify right side
   1,359.27x = 1,444,099.94
5. Step 5: Solve for x
   x = 1,444,099.94/1,359.27
6. Step 6: Final answer
   x = 1,062.41