Finding the Fourth Proportional to 2,926.72, 4,387.18 and 1,170.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,926.72 : 4,387.18 = 1,170.67 : x
2. Step 2: Convert to fraction form
   2,926.72/4,387.18 = 1,170.67/x
3. Step 3: Cross multiply
   2,926.72x = 4,387.18 × 1,170.67
4. Step 4: Simplify right side
   2,926.72x = 5,135,940.01
5. Step 5: Solve for x
   x = 5,135,940.01/2,926.72
6. Step 6: Final answer
   x = 1,754.85