Finding the Fourth Proportional to 1,411.46, 1,947.82 and 773.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.46 : 1,947.82 = 773.41 : x
2. Step 2: Convert to fraction form
   1,411.46/1,947.82 = 773.41/x
3. Step 3: Cross multiply
   1,411.46x = 1,947.82 × 773.41
4. Step 4: Simplify right side
   1,411.46x = 1,506,466.68
5. Step 5: Solve for x
   x = 1,506,466.68/1,411.46
6. Step 6: Final answer
   x = 1,067.31