Finding the Fourth Proportional to 1,364.37, 1,882.38 and 774.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.37 : 1,882.38 = 774.78 : x
2. Step 2: Convert to fraction form
   1,364.37/1,882.38 = 774.78/x
3. Step 3: Cross multiply
   1,364.37x = 1,882.38 × 774.78
4. Step 4: Simplify right side
   1,364.37x = 1,458,430.38
5. Step 5: Solve for x
   x = 1,458,430.38/1,364.37
6. Step 6: Final answer
   x = 1,068.94