Finding the Fourth Proportional to 1,300.23, 1,793.79 and 769.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.23 : 1,793.79 = 769.17 : x
2. Step 2: Convert to fraction form
   1,300.23/1,793.79 = 769.17/x
3. Step 3: Cross multiply
   1,300.23x = 1,793.79 × 769.17
4. Step 4: Simplify right side
   1,300.23x = 1,379,729.45
5. Step 5: Solve for x
   x = 1,379,729.45/1,300.23
6. Step 6: Final answer
   x = 1,061.14