Finding the Fourth Proportional to 1,403.82, 1,937.25 and 774.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403.82 : 1,937.25 = 774.37 : x
2. Step 2: Convert to fraction form
   1,403.82/1,937.25 = 774.37/x
3. Step 3: Cross multiply
   1,403.82x = 1,937.25 × 774.37
4. Step 4: Simplify right side
   1,403.82x = 1,500,148.28
5. Step 5: Solve for x
   x = 1,500,148.28/1,403.82
6. Step 6: Final answer
   x = 1,068.62