Finding the Fourth Proportional to 2,662.68, 3,992.16 and 1,181.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.68 : 3,992.16 = 1,181.18 : x
2. Step 2: Convert to fraction form
   2,662.68/3,992.16 = 1,181.18/x
3. Step 3: Cross multiply
   2,662.68x = 3,992.16 × 1,181.18
4. Step 4: Simplify right side
   2,662.68x = 4,715,459.55
5. Step 5: Solve for x
   x = 4,715,459.55/2,662.68
6. Step 6: Final answer
   x = 1,770.94