Finding the Fourth Proportional to 1,400.83, 1,933.10 and 771.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.83 : 1,933.10 = 771.35 : x
2. Step 2: Convert to fraction form
   1,400.83/1,933.10 = 771.35/x
3. Step 3: Cross multiply
   1,400.83x = 1,933.10 × 771.35
4. Step 4: Simplify right side
   1,400.83x = 1,491,086.06
5. Step 5: Solve for x
   x = 1,491,086.06/1,400.83
6. Step 6: Final answer
   x = 1,064.43