Finding the Fourth Proportional to 1,401.44, 1,933.96 and 771.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.44 : 1,933.96 = 771.96 : x
2. Step 2: Convert to fraction form
   1,401.44/1,933.96 = 771.96/x
3. Step 3: Cross multiply
   1,401.44x = 1,933.96 × 771.96
4. Step 4: Simplify right side
   1,401.44x = 1,492,939.76
5. Step 5: Solve for x
   x = 1,492,939.76/1,401.44
6. Step 6: Final answer
   x = 1,065.29