Finding the Fourth Proportional to 1,401.44, 1,934.03 and 771.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.44 : 1,934.03 = 771.98 : x
2. Step 2: Convert to fraction form
   1,401.44/1,934.03 = 771.98/x
3. Step 3: Cross multiply
   1,401.44x = 1,934.03 × 771.98
4. Step 4: Simplify right side
   1,401.44x = 1,493,018.95
5. Step 5: Solve for x
   x = 1,493,018.95/1,401.44
6. Step 6: Final answer
   x = 1,065.35