Finding the Fourth Proportional to 1,363.34, 1,881.24 and 773.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.34 : 1,881.24 = 773.85 : x
2. Step 2: Convert to fraction form
   1,363.34/1,881.24 = 773.85/x
3. Step 3: Cross multiply
   1,363.34x = 1,881.24 × 773.85
4. Step 4: Simplify right side
   1,363.34x = 1,455,797.57
5. Step 5: Solve for x
   x = 1,455,797.57/1,363.34
6. Step 6: Final answer
   x = 1,067.82