Finding the Fourth Proportional to 1,400.62, 1,932.84 and 771.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.62 : 1,932.84 = 771.07 : x
2. Step 2: Convert to fraction form
   1,400.62/1,932.84 = 771.07/x
3. Step 3: Cross multiply
   1,400.62x = 1,932.84 × 771.07
4. Step 4: Simplify right side
   1,400.62x = 1,490,354.94
5. Step 5: Solve for x
   x = 1,490,354.94/1,400.62
6. Step 6: Final answer
   x = 1,064.07