Finding the Fourth Proportional to 1,371.82, 1,893.04 and 774.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.82 : 1,893.04 = 774.34 : x
2. Step 2: Convert to fraction form
   1,371.82/1,893.04 = 774.34/x
3. Step 3: Cross multiply
   1,371.82x = 1,893.04 × 774.34
4. Step 4: Simplify right side
   1,371.82x = 1,465,856.59
5. Step 5: Solve for x
   x = 1,465,856.59/1,371.82
6. Step 6: Final answer
   x = 1,068.55