Finding the Fourth Proportional to 1,400.37, 1,932.56 and 770.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.37 : 1,932.56 = 770.96 : x
2. Step 2: Convert to fraction form
   1,400.37/1,932.56 = 770.96/x
3. Step 3: Cross multiply
   1,400.37x = 1,932.56 × 770.96
4. Step 4: Simplify right side
   1,400.37x = 1,489,933.04
5. Step 5: Solve for x
   x = 1,489,933.04/1,400.37
6. Step 6: Final answer
   x = 1,063.96