Finding the Fourth Proportional to 1,371.59, 1,892.32 and 774.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.59 : 1,892.32 = 774.01 : x
2. Step 2: Convert to fraction form
   1,371.59/1,892.32 = 774.01/x
3. Step 3: Cross multiply
   1,371.59x = 1,892.32 × 774.01
4. Step 4: Simplify right side
   1,371.59x = 1,464,661.27
5. Step 5: Solve for x
   x = 1,464,661.27/1,371.59
6. Step 6: Final answer
   x = 1,067.86