Finding the Fourth Proportional to 3,962.22, 5,942.26 and 1,188.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.22 : 5,942.26 = 1,188.27 : x
2. Step 2: Convert to fraction form
   3,962.22/5,942.26 = 1,188.27/x
3. Step 3: Cross multiply
   3,962.22x = 5,942.26 × 1,188.27
4. Step 4: Simplify right side
   3,962.22x = 7,061,010.78
5. Step 5: Solve for x
   x = 7,061,010.78/3,962.22
6. Step 6: Final answer
   x = 1,782.09