Finding the Fourth Proportional to 1,363.08, 1,881.06 and 773.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.08 : 1,881.06 = 773.58 : x
2. Step 2: Convert to fraction form
   1,363.08/1,881.06 = 773.58/x
3. Step 3: Cross multiply
   1,363.08x = 1,881.06 × 773.58
4. Step 4: Simplify right side
   1,363.08x = 1,455,150.39
5. Step 5: Solve for x
   x = 1,455,150.39/1,363.08
6. Step 6: Final answer
   x = 1,067.55