Finding the Fourth Proportional to 1,064.82, 1,470.76 and 769.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.82 : 1,470.76 = 769.62 : x
2. Step 2: Convert to fraction form
   1,064.82/1,470.76 = 769.62/x
3. Step 3: Cross multiply
   1,064.82x = 1,470.76 × 769.62
4. Step 4: Simplify right side
   1,064.82x = 1,131,926.31
5. Step 5: Solve for x
   x = 1,131,926.31/1,064.82
6. Step 6: Final answer
   x = 1,063.02