Finding the Fourth Proportional to 1,196.21, 1,791.58 and 1,176.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.21 : 1,791.58 = 1,176.16 : x
2. Step 2: Convert to fraction form
   1,196.21/1,791.58 = 1,176.16/x
3. Step 3: Cross multiply
   1,196.21x = 1,791.58 × 1,176.16
4. Step 4: Simplify right side
   1,196.21x = 2,107,178.85
5. Step 5: Solve for x
   x = 2,107,178.85/1,196.21
6. Step 6: Final answer
   x = 1,761.55