Finding the Fourth Proportional to 1,400.96, 1,933.32 and 771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.96 : 1,933.32 = 771.50 : x
2. Step 2: Convert to fraction form
   1,400.96/1,933.32 = 771.50/x
3. Step 3: Cross multiply
   1,400.96x = 1,933.32 × 771.50
4. Step 4: Simplify right side
   1,400.96x = 1,491,556.38
5. Step 5: Solve for x
   x = 1,491,556.38/1,400.96
6. Step 6: Final answer
   x = 1,064.67