Finding the Fourth Proportional to 1,364.43, 1,882.89 and 774.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.43 : 1,882.89 = 774.96 : x
2. Step 2: Convert to fraction form
   1,364.43/1,882.89 = 774.96/x
3. Step 3: Cross multiply
   1,364.43x = 1,882.89 × 774.96
4. Step 4: Simplify right side
   1,364.43x = 1,459,164.43
5. Step 5: Solve for x
   x = 1,459,164.43/1,364.43
6. Step 6: Final answer
   x = 1,069.43