Finding the Fourth Proportional to 1,300.71, 1,794.51 and 769.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.71 : 1,794.51 = 769.47 : x
2. Step 2: Convert to fraction form
   1,300.71/1,794.51 = 769.47/x
3. Step 3: Cross multiply
   1,300.71x = 1,794.51 × 769.47
4. Step 4: Simplify right side
   1,300.71x = 1,380,821.61
5. Step 5: Solve for x
   x = 1,380,821.61/1,300.71
6. Step 6: Final answer
   x = 1,061.59