Finding the Fourth Proportional to 2,642.32, 3,964.14 and 793.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.32 : 3,964.14 = 793.42 : x
2. Step 2: Convert to fraction form
   2,642.32/3,964.14 = 793.42/x
3. Step 3: Cross multiply
   2,642.32x = 3,964.14 × 793.42
4. Step 4: Simplify right side
   2,642.32x = 3,145,227.96
5. Step 5: Solve for x
   x = 3,145,227.96/2,642.32
6. Step 6: Final answer
   x = 1,190.33