Finding the Fourth Proportional to 1,363.50, 1,881.66 and 773.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.50 : 1,881.66 = 773.82 : x
2. Step 2: Convert to fraction form
   1,363.50/1,881.66 = 773.82/x
3. Step 3: Cross multiply
   1,363.50x = 1,881.66 × 773.82
4. Step 4: Simplify right side
   1,363.50x = 1,456,066.14
5. Step 5: Solve for x
   x = 1,456,066.14/1,363.50
6. Step 6: Final answer
   x = 1,067.89