Finding the Fourth Proportional to 1,359.40, 1,876.01 and 769.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.40 : 1,876.01 = 769.92 : x
2. Step 2: Convert to fraction form
   1,359.40/1,876.01 = 769.92/x
3. Step 3: Cross multiply
   1,359.40x = 1,876.01 × 769.92
4. Step 4: Simplify right side
   1,359.40x = 1,444,379.54
5. Step 5: Solve for x
   x = 1,444,379.54/1,359.40
6. Step 6: Final answer
   x = 1,062.51