Finding the Fourth Proportional to 1,400.82, 1,933.06 and 771.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.82 : 1,933.06 = 771.23 : x
2. Step 2: Convert to fraction form
   1,400.82/1,933.06 = 771.23/x
3. Step 3: Cross multiply
   1,400.82x = 1,933.06 × 771.23
4. Step 4: Simplify right side
   1,400.82x = 1,490,820.34
5. Step 5: Solve for x
   x = 1,490,820.34/1,400.82
6. Step 6: Final answer
   x = 1,064.25