Finding the Fourth Proportional to 1,363.29, 1,881.27 and 773.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.29 : 1,881.27 = 773.83 : x
2. Step 2: Convert to fraction form
   1,363.29/1,881.27 = 773.83/x
3. Step 3: Cross multiply
   1,363.29x = 1,881.27 × 773.83
4. Step 4: Simplify right side
   1,363.29x = 1,455,783.16
5. Step 5: Solve for x
   x = 1,455,783.16/1,363.29
6. Step 6: Final answer
   x = 1,067.85