Finding the Fourth Proportional to 1,167.72, 1,756.46 and 1,157.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.72 : 1,756.46 = 1,157.96 : x
2. Step 2: Convert to fraction form
   1,167.72/1,756.46 = 1,157.96/x
3. Step 3: Cross multiply
   1,167.72x = 1,756.46 × 1,157.96
4. Step 4: Simplify right side
   1,167.72x = 2,033,910.42
5. Step 5: Solve for x
   x = 2,033,910.42/1,167.72
6. Step 6: Final answer
   x = 1,741.78