Finding the Fourth Proportional to 1,300.59, 1,794.57 and 769.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.59 : 1,794.57 = 769.35 : x
2. Step 2: Convert to fraction form
   1,300.59/1,794.57 = 769.35/x
3. Step 3: Cross multiply
   1,300.59x = 1,794.57 × 769.35
4. Step 4: Simplify right side
   1,300.59x = 1,380,652.43
5. Step 5: Solve for x
   x = 1,380,652.43/1,300.59
6. Step 6: Final answer
   x = 1,061.56