Finding the Fourth Proportional to 1,401.42, 1,934.01 and 771.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.42 : 1,934.01 = 771.96 : x
2. Step 2: Convert to fraction form
   1,401.42/1,934.01 = 771.96/x
3. Step 3: Cross multiply
   1,401.42x = 1,934.01 × 771.96
4. Step 4: Simplify right side
   1,401.42x = 1,492,978.36
5. Step 5: Solve for x
   x = 1,492,978.36/1,401.42
6. Step 6: Final answer
   x = 1,065.33