Finding the Fourth Proportional to 1,411.73, 1,948.15 and 773.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.73 : 1,948.15 = 773.67 : x
2. Step 2: Convert to fraction form
   1,411.73/1,948.15 = 773.67/x
3. Step 3: Cross multiply
   1,411.73x = 1,948.15 × 773.67
4. Step 4: Simplify right side
   1,411.73x = 1,507,222.52
5. Step 5: Solve for x
   x = 1,507,222.52/1,411.73
6. Step 6: Final answer
   x = 1,067.64