Finding the Fourth Proportional to 1,359.25, 1,875.84 and 769.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.25 : 1,875.84 = 769.84 : x
2. Step 2: Convert to fraction form
   1,359.25/1,875.84 = 769.84/x
3. Step 3: Cross multiply
   1,359.25x = 1,875.84 × 769.84
4. Step 4: Simplify right side
   1,359.25x = 1,444,096.67
5. Step 5: Solve for x
   x = 1,444,096.67/1,359.25
6. Step 6: Final answer
   x = 1,062.42